2016 Silverado Rough Idle Fix

I took it to the dealership and they said it was a fuel injector going bad. If the car experiences a rough idle or idle fluctuates several hundred RPM, this can indicate a sticking idle stabilizer valve. 3L engine and truck has a rough idle and hesitation on accelerating. To do so, the intake airflow must be regulated during closed throttle conditions. The P0506 code is sets when the Powertrain Control Module (PCM) detects an engine speed outside of the Idle Air Control (IAC) range of control. SureTrack community member honkeykong had a 2009 Chevy Silverado in the shop for a idle and starting concerns and found the fuel-alcohol content reading higher than it should be. 09 Silverado 1500 5. another forum suggested a grounding kit and I'm considering giving that a try. rough idle, check engine w/ P0171 & P0174 codes - I have a 98 Expedition with a 5. Hooked up HPTuners with misfire count and 8 goes crazy (hundreds of misfires) - with a handful of misfires in cyl 7 and a couple here and there otherwise. 2016 Equinox 3. 97 chevy k1500 with 305, engine rebuilt by shop 60k ago, last few months only drove truck 4-5 times, last time driving gave p0306, new plugs, wires, cap, rotor, cleared code, now gives p0300, took intake apart removed spider, sprayed/scrubbed each injector and poppet with cleaner, but no way of cleaning the line between the injector and poppets. try to hook it up to a code reader anyway and see what happens. I had just recently put in new plugs and found one plug loose. P0506 CHEVROLET Meaning. There is a constant high pitched noise coming from under the hood. s, I replaced the throttle. Replaced both top oxygen sensors, tps, and maf. Are there any other things you guys could suggest to cause a rough idle. Replaced the spark plug and the idle got somewhat better for a short time. Symptoms include engine running rough (no mention of idle), "check engine" light on, and a Reduced Power Mode. Chevy Silverado P0455 OBDII Code Symptoms. GM has issued service bulletin #PI0850A to address trouble code P0171, a rough idle and a whistle noise coming from the engine on the vehicles listed below. 2016-2018 Chevrolet Camaro 2016-2019 Chevrolet Corvette 2014-2018 Chevrolet Silverado 1500 2015-2018 Chevrolet Suburban 2015-2018 Chevrolet Tahoe Condition: A vehicle may have a concern of DTC P050D setting along with a P0300 after a cold startup. Research the 2020 Chevrolet Silverado 1500 with our expert reviews and ratings. 6 Premium RWD, 2016 Corvette Z06, 2018 GMC Sierra Denali 2500HD Diesel Also, there is a TSB to fix the rough idle which he didn't know about (no big problem with this if he really didn't know), but he knows it won't work?. 3 WORK TRUCK 5TH WHEEL TRAILER TOW PACKAGE DIESEL PICKUP 7. )The thing is, its not a rough idle, it runs very smooth but just so low that it almost chokes, and surges when given gas. 3) Rough Idling. Still running a bit rough at idle and still getting codes. 2014 Chevrolet Silverado 1500 2014-2016 Chevrolet Corvette 2015-2016 Chevrolet Silverado, Suburban, Tahoe 2016 Chevrolet Camaro Chevrolet Factory Service Bulletin OBDII Code P0300 2002 Chevrolet Blazer P0300 Misfire Diagnostics. When cold, it almost always runs a little rough, almost like its on the edge of "missing". The motor dies while moving at idle speeds mostly while making a turn. Now that you know the signs of a blown head gasket you can catch it quickly before you do permanent damage to your engine. Lately, I've seen a few of these in the shop, and it almost. See what others are asking about. well in my case it improved the idle and the shifting. Campaign: 16V651000 on 09/07/2016 Component: Air bags:frontal Manufactured: 01/29/2013 - 08/14/2016 Affected: 3,640,162 Defect: General motors llc (gm) is recalling certain model year 2015-2017 chevrolet silverado 2500 hd, 3500 hd, tahoe, suburban, gmc sierra 2500 hd and 3500 hd, gmc yukon, gmc yukon xl, cadillac escalade and cadillac escalade esv vehicles and 2014-2017 chevrolet corvette. Recently the emissions light on the dash came on and it's been running rough. 2 has a 87mm and the 5. smells like unburnt fuel please help Hey guys I picked up a 2001 TDI 5 speed that had a bit of a rough life. Just recently say in the last 1 thousand miles its been idling rough once put in gear, occasionally when not in gear. 2014 Chevrolet Silverado 1500 2014-2016 Chevrolet Corvette 2015-2016 Chevrolet Silverado, Suburban, Tahoe 2016 Chevrolet Camaro Chevrolet Factory Service Bulletin OBDII Code P0300 2002 Chevrolet Blazer P0300 Misfire Diagnostics. Chevrolet Silverado 1500 owners have reported 20 problems related to engine burning oil (under the engine and engine cooling category). 3) Rough Idling. I have assumed the throttle response was in the factory tune like the rest of the performance hindering things. the motor does have a air leak sounds coming from behind the head. That took care of most of rough idle and amazing speed power in all gears. I had a rough. It seems to only come about once the car warms up and I'm stopped in traffic or at a stoplight. This is a great place to start. at idle the voltage goes from 12 to 14 just bouncing around , i tryed the the MAF sensor cleaning and it helped somewhat i have already. Has a very rough idle. The fuel injectors or carburetor on your vehicle regulates fuel flow into the combustion chamber. Cleaning the idle air control valve on any car equipped. 2007 chevy Silverado 2500. The first sign of the problem was the service engine light would blink intermittently when driving on the highway or revving the gas. But that is not the main problem. Idle seems off even for the cam and it smells really rich. Some engines just idle rough. Have had seve. Spark plugs use the electrical current received from ignition coils to ignite the air/fuel mixture within the combustion chamber. Idling and driveability problems can be caused by a variety of issues. Mechanic's Assistant: Is the rough idle intermittent or consistent? To me seems more rough than not. 3 It is not critical, but I is very annoying. Throttle Body Injector Tester. Replaced the spark plug and the idle got somewhat better for a short time. Hesitates at various moments when accelerating. Campaign: 16V651000 on 09/07/2016 Component: Air bags:frontal:sensor/control module Manufactured: 09/30/2013 - 08/14/2016 Affected: 3,640,162 Defect: General motors llc (gm) is recalling certain model year 2015-2017 chevrolet silverado 2500 hd, 3500 hd, tahoe, suburban, gmc sierra 2500 hd and 3500 hd, gmc yukon, gmc yukon xl, cadillac escalade and cadillac escalade esv vehicles and 2014-2017. Fuel pump for 08 Silverado; Silverado braking help05, 1500 4wd z71 ext cab; 2004 1500 Temperature Control; front park lights. 2016-2018 Chevrolet Camaro 2016-2019 Chevrolet Corvette 2014-2018 Chevrolet Silverado 1500 2015-2018 Chevrolet Suburban 2015-2018 Chevrolet Tahoe Condition: A vehicle may have a concern of DTC P050D setting along with a P0300 after a cold startup. The service manger & myself would be on a first name basis until the problem was fixed. "I have a 2003 chevy silverado with the 4. I recently had a rough idle problem with my 02 passat w8. Bimmerforums is the preferred online BMW Forum and community for BMW owners. was created by Solid Steel last summer i was offroading when i nose dived it into a water hole and got stuck cause it bogged out. 040/NV3500 '00 Explorer XLT 4. The service engine soon light is often the only. rough idle with a/c on ok I need a little help, when I put the a/c on the idle drops to about 500 and is very rough and feels like its gonna stall, when I turn a/c off idle goes back to 800. It seems to only come about once the car warms up and I'm stopped in traffic or at a stoplight. The P0506 code is sets when the Powertrain Control Module (PCM) detects an engine speed outside of the Idle Air Control (IAC) range of control. Discuss it at Forum View This TSB. The EVAP system captures all fuel vapor from the fuel tank and sends them to the engines intake in order to be ignited in the normal combustion process. This steady pace is mandated by the vehicle's idle control valve, which is also known as an idle air control valve. The front end is slightly revised, with better-integrated headlights, including bi-halogen projectors and LED accents. The front end was worked on three times, the seat had bad springs and were loud. * Vehicle Fitment Information: Fits Vehicles of the Following Years and Make :. -2007 Silverado 3500 Classic Crew Cab 4x4 Dually, Diablo Predator, Diamond Eye downpipe & 5" straight pipe, AirDog II 165, Cognito UCA's, 285/75/16 LTX M/S2's, 2" billet steel spacers-2011 Silverado 1500 Crew Cab 4wd, 6. That took care of most of rough idle and amazing speed power in all gears. Personally, my 16 Silverado had a slight rough idle when sitting at red lights while the transmission is in drive. Got bored today and thought I'd see if it would fit the 6. I just changed the plugs hoping to correct the issue. Generally, a broken valve spring on this engine family will cause a tick. TSB Number: PIP5088D NHTSA Number: 10099460 TSB Date: September 23, 2016. with that bit of info, i just set it at 950 and it idles fine with some tweaking to the carb idle adjuster screws. After about a minute after starting it, it begins running really rough and rich like a cylinder isnt firing. s, I replaced the throttle. While driving at an unknown speed, an abnormal noise was coming from the engine. With enough electrical loads "ON", it is easy to exceed the generator current (amperage) output when the engine is at an idle of 600-700 RPM. 3) Rough Idling. The harsh shift may be felt on the 1/2 and 2/3 shift along with a sputter when applying the throttle between 0% and 30 % and a rough idle. I read it and it was a P0300 Random/Multiple Misfire. The front upper control arms may have inadequate welds near the control arm bushing. CHEVROLET > 2016 > SILVERADO 1500 > 5. Chevy Silverado 2500 HD 6. I just changed the plugs hoping to correct the issue. I have an 07 6. Rough engine idling is commonly caused by an EGR (exhaust gas recirculation) sensor malfunction which results in the EGR valve not closing properly. 3L, P0300, misfire on cylinder 7, rough idle, hard shift 1-2, and the constant service stabilitrak and traction control with both turning on/off. The 2016 Chevrolet Silverado 1500 is part of this full-size pickup truck's third generation of production (2014-2019). 3l chevy/GMC engine. Do this 2 times. Discussion forum for Tundra owners, enthusiasts and modders. 3 Silverado. At first I thought it was a vacuum that was causing all of this. ford techs! 3. The Flowmaster Outlaw Cat-Back Exhaust with split side or rear exit is designed to fit Fits 2014 to 2017 Chevrolet Silverado 1500 5. I recently received this vehicle from my brother-in-law, I have done the maintenance on this vehicle for years and have never been able to figure out the random misfire. Also please check out the statistics and reliability analysis of Chevrolet Silverado 1500 based on all problems reported for the Silverado 1500. The Idle Air Control valve is a. View all 120 consumer vehicle reviews for the Used 2016 Ford F-150 on Edmunds, or submit your own review of the 2016 F-150. I had the following codes show up: P1506 - Idle Air Control Valve P1131 - O2 Sensor P1151 - O2 Sensor P0171. Once the mechanic has the diagnostic device hooked up to your Astro's ECM you can find out more about your 4. This preliminary information communication provides information to the technician the steps needed to diagnose and repair vehicles with a rough idle and/or vibration at idle in drive. Dealer replaced motor mounts and seem to fix the problem. Many different problems could result in a rough idle for your car or truck, including: dirty fuel injectors, clogged air filters, bad spark plugs, and a variety of exhaust system issues. is there gas in it. -P0300 Miss on cylinder 3 mostly with half as many on 8 according to the data. The contact was advised to go to summit city Chevrolet (5200 Illinois rd, fort wayne, in 46804). The dealer replaced and re-routed the evap vent solenoid in order to prevent it from being damaged by snow and salt. In cold weather my 2000 sierra starts, reves up idles back down to rough idle and continues to do so for about a minute. I can push the gas and it feels smooth over 2000 rpms. I have a 2005 H2 SUT with 200,000 miles and over the past couple of months, I have noticed that there is slight hesitation on acceleration and the idle is very rough once the engine is hot or has been running for more than 30 mins. The vehicle had a rough idle when stopped and in drive, such as being stopped at a stop sign or red light. Oxygen (O2) Sensor. Let the experts at PartsGeek. Some engines just idle rough. 2016 Chevrolet Silverado 2500 Engine Technical Service Bulletins (TSBs). As with many car issues, the root cause of a rough idle can either be a quick, easy, inexpensive fix, or it can be something more serious and costly. 8L V8 Vortec engine started flashing a check engine light. Have had seve. View all 106 consumer vehicle reviews for the Used 2014 Chevrolet Silverado 1500 on Edmunds, or submit your own review of the 2014 Silverado 1500. This is my fourth Silverado since 2005 and am very unhappy. 1A Auto has many aftermarket IAC Valves for your Chevy and ground shipping is always free! Visit us online or call 888-844-3393 and order today!. Inside, HD radio returns, and there's a remote locking tailgate, as well as optional power-retractable side steps on Crew Cab models. Service engine light comes on when it's cold outside (say under 40 degF). However it still idled (less) rough and it was "Hiccuping" or (Misfiring)at 40 50 and 60 miles per hour. Campaign: 16V651000 on 09/07/2016 Component: Air bags:frontal:sensor/control module Manufactured: 09/30/2013 - 08/14/2016 Affected: 3,640,162 Defect: General motors llc (gm) is recalling certain model year 2015-2017 chevrolet silverado 2500 hd, 3500 hd, tahoe, suburban, gmc sierra 2500 hd and 3500 hd, gmc yukon, gmc yukon xl, cadillac escalade and cadillac escalade esv vehicles and 2014-2017. MAY 2016-- General Motors LLC (GM) is recalling certain model year 2016-2017 Chevrolet Silverado 1500 and 2016 Cadillac Escalade, Cadillac Escalade ESV, Chevrolet Suburban, Chevrolet Tahoe, GMC Sierra, GMC Yukon and GMC Yukon XL vehicles. The job would require pulling the motor and included an extensive new parts list. As a result, the consumer wins -- whether hauling equipment to a job site, working a farm or towing a boat, the Silverado 2500 and 3500 are built for tough work, and they are some of the best. 2009 chevrolet silverado 1500 problem with engine. I've also had this issue twice with my '12 5. 3 L Missing and Rough Idle Intermittently. Problems with idle speed—things like slow idle, fast idle, rough idle, or stalling after idling for a few seconds—are symptoms that something is wrong with your engine. These modules allow your V6 or V8 GM vehicle to run in full cylinder mode at all times, preventing the Active Fuel Management (AFM) system from dropping. 122 but it would idle at 2. See 2016 Chevrolet Silverado 1500 technical service bulletins (TSBs) at TrueDelta, organized by model year and problem area repair vehicles with a rough idle and. P0506 CHEVROLET Possible Symptoms. Research the 2020 Chevrolet Silverado 1500 with our expert reviews and ratings. Here's the throttle body relearn procedure. 4l 3 valve triton engine about 5 months ago with 85K mi on it. 6T with 90K and I have an intermittent issue of a rough idle with the A/C on — it feels very jumpy and did not have this issue before. This system allows the engine control module (ECM) to increase the. I have my tune and logs. 2016 Equinox 3. Rough idle Chevy 4. 0L is becoming more common and getting harder to diagnose. 42) in November and had to take it into the dealer a week later for a transmission issue (coming to a stop the truck would shudder as. vehicle had 9701 miles at time of incident. Hello, I would consider this my first post (that other one was a mistake) but I've been a long time reader/viewer of these forums So, My 2008 GTI has a horrid idle. 2010 silverado LTZ rough idle, light flicker, and rattle; Rear brake issues; Brake Squeal; Adding trans temp gauge to stock cluster; Bosch fuel pump on 08 Silverado; 1999 K3500 7. The Flowmaster Outlaw Cat-Back Exhaust with split side or rear exit is designed to fit Fits 2014 to 2017 Chevrolet Silverado 1500 5. Hesitates at various moments when accelerating. Rough shifting "Dealer installed a new part in the transmission to illuminate shifting problem" Jim R. Turns out it was the map. - Runs well, not down on power. com and find specs, pricing, MPG, safety data, photos, videos, reviews and local inventory. This condition will not be present in park, or neutral. The source of the information below is the National Highway Transportation Safety Administration (NHTSA), which maintains TSBs for vehicles sold in the United States. 6L 2016, Plug-n-Play DSP-5 Digital Switch with High Idle Control by GDP Tuning®. 6T with 90K and I have an intermittent issue of a rough idle with the A/C on — it feels very jumpy and did not have this issue before. Lawson to dismiss a consolidated proposed class action lawsuit alleging the automaker’s 8L90 and 8L45 transmissions are defective. It was easy to take out and didn't need to. Get your Chevrolet issue diagnosed by a professional. The fuel system begins with the gas tank, then the fuel pump sends it through the fuel lines, and finally it gets to the fuel filter. 2016 Equinox 3. ycis, May 13, 2016. This is where the idle air control valve or motor comes into play. Lawson to dismiss a consolidated proposed class action lawsuit alleging the automaker's 8L90 and 8L45 transmissions are defective. A faulty O 2 sensor can also cause RPM to fluctuate at idle. Even though it’s a full sized pickup, the F-150 engine should idle smoothly. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. 0 air cold crack hesitate idle intermittent internal intake leak lean misfire miss P0171 P0174 P0300 power rough surge vacuum #PIP3232B - (02/07/2007) Models: 2002-2005 Cadillac Escalade 1999-2005 Chevrolet Avalanche, Express, Silverado, Suburban, Tahoe, Trailblazer. com Causes of a rough idle. Anyway of increasing the idle to slightly above the factory 500 rpm without a tuner. 2L V8 with 420 horsepower, the Silverado is no joke and adding the right GM Silverado parts to your pickup will only make it that much better. The causes might vary, but most idle problems are caused by a mixture issue. The PCM regulates engine intake air at idle using an electronically controlled device called the IAC (idle air control). The motor starts and idle very rough and then dies. Had 16 miles on it. 0 silverado lifter noise at start up. 10/12/2018 by Robbie Capps. 2004 - 2008 Ford F150 - Rough Idle/Misfiring - HELP! (2006 F150 5. If severe, the engine or vehicle may shake. I took it to 2 places both confirmed a cam position sensor code and miss firing in bank 3. The idle of a car engine is kind of like a human heartbeat: You can tell what shape it's in just by listening. Find a high quality auto repair shop or dealer. A faulty O 2 sensor can also cause RPM to fluctuate at idle. It shifts through all gears fine. Electric body type; ADD TO CART Vehicle Specific Hitachi New Throttle Body Unit ETB0024-AZ. I recently bought a 2016 Silverado 1500 last October. Disconnect the negative battery terminal and leave it unplugged for 30min or so. No engine light. Get your Chevrolet issue diagnosed by a professional. I have a 2017 GMC All Terrain X Edition 4x4 w/the 6. 3L V8 with 200k miles on it. 3L or may not be felt and is more apparent at idle or low RPM. 3 L Missing and Rough Idle Intermittently I have changed Spark Plugs,Wires ,Coil Packs, and removed Fuel Injectors - Chevrolet 1999 Silverado 1500 question Share by Email The vehicle ran a little smoother but the rough idle and small misfire was still there. 04 f150 heritage xl. by Kyle McFadden. This has eliminated about 80% of the problem, but after driving around for a while I realized that the problem is still there, just at a greatly reduced intensity, including both the hesitation and the rough idle. Consumer states mechanical problems the consumer stated there was dry rot on the inside and outside of the doors, and under the truck bed. The RPMs would hover a notch below 500 and when the rough idle would kick in, you could. P0300 Diagnostic Trouble Code Discussion for July 2016 Multiple Misfire Detected * Note: This is a professional automotive technician's resource. Get your Chevrolet issue diagnosed by a professional. Attachments. 2017 Silverado 1500 hesitation on acceleration When you accelerate hard it has no issues but on the slower accelerations it feels like it is having trouble shifting. Rough idle and low power 10 Answers I have a 05 chevy silverado with the 4. On most odb2 vehicles there is a capacitor system that maintains a charge for a while. 2016 Sierra 5 3 Rough Idle Complaints 2016 GMC Sierra 1500 4×4 All Terrain X Review – Macho and Comfortable in One The 2016 GMC Sierra 1500 4×4 All Terrain X trim couldn’t have any better timing, with gas prices now comfortably low enough to own a full-sized pickup truck, it makes for a very tempting buy …. When the engine is started cold, regardless of the outside temperature, the idle is rough and there is a noticable power loss. Driving it perfectly fine. Idle seems off even for the cam and it smells really rich. The Duramax block and heads are poured at The Defiance GM Powertrain foundry in Defiance County, Ohio. Rough idle in 5. UPDATE: I replaced the vacuum hose and the truck actually improved a bit however the idle remains rough and when gearing up to about 15 to 30 mph the idle gets jerky. 2016 Chevrolet Silverado 1500 Technical Service Bulletins. The CEL has been on duri. Have had seve. 2016 Chevrolet Silverado 1500 Technical Service Bulletins. An auto transmission is the gear that transmits power from the vehicle’s engine through the driveshaft to the live axle. Throttle body fine, no codes. Today’s gasoline can contain varying amounts of alcohol, and flex fuel vehicles must monitor the fuel-alcohol content to run properly. 2016-2018 Chevrolet Camaro 2016-2019 Chevrolet Corvette 2014-2018 Chevrolet Silverado 1500 2015-2018 Chevrolet Suburban 2015-2018 Chevrolet Tahoe Condition: A vehicle may have a concern of DTC P050D setting along with a P0300 after a cold startup. When I got in to drive off, I put it in drive and the engine immediately ran rough and got the message: Stabilitrak off, traction control off, service stabilitrak, service traction control: Reduced engine power. Now that I have the vehicle I want to fix it. Hello, I would consider this my first post (that other one was a mistake) but I've been a long time reader/viewer of these forums So, My 2008 GTI has a horrid idle. This truck was 55k out-the-door. The 2016 GMC Sierra 1500 has 1 problems reported for rough idle. UPDATE: I replaced the vacuum hose and the truck actually improved a bit however the idle remains rough and when gearing up to about 15 to 30 mph the idle gets jerky. 609, headers, 36lb injectors with factory TB and LS6 intake. Once the mechanic has the diagnostic device hooked up to your Astro's ECM you can find out more about your 4. 2L V8 with 420 horsepower, the Silverado is no joke and adding the right GM Silverado parts to your pickup will only make it that much better. 2016-2018 Chevrolet Camaro 2016-2019 Chevrolet Corvette 2014-2018 Chevrolet Silverado 1500 2015-2018 Chevrolet Suburban 2015-2018 Chevrolet Tahoe Condition: A vehicle may have a concern of DTC P050D setting along with a P0300 after a cold startup. Title Rough idle, long start-ups, reset fuel-alcohol content. 2016 chevy Silverado 1500 5. i have a 1995 silverado 5. An expert that has 1 follower. To save money on your repair, purchase AutoAnything's Chevy Silverado replacement EGR valves rather than paying a mechanic and enjoy our 1-Year, Lower Price Guarantee. 3L engine and truck has a rough idle and hesitation on accelerating. you were pretty spot on, I got a reply from comp cams support a few days after sending the same note to them, they informed me the cam is not designed to idle below 900-950 at all, and produces no vaccum at idle. Update – December 17, 2019 – GM Attempts to Sidestep Class Action Case In late November, General Motors pressed Michigan District Court Judge David M. however ive mentioned it here because as of yet it isnt a TSB and like i mentioned without having called TAS looking for assistance on figureing out what was wrong we never would have found out about the exhaust valve actuators, however that being said id expect them to release a TSB once they have assured that the new updated actuators do actually fix the problem. Does not include, idle air control motor. While there are a variety of reasons your Chevrolet Silverado 1500 has a rough idle, the most common 3 are a vacuum leak, an issue with the spark plugs, or a problem with the ignition coil. Learn more about the 2015 Chevrolet Silverado 1500. A rough idling engine can be caused by spark plugs or spark plug wires. 20190330_053732_1553938719796. Tried another new 99 Silverado 5300 V8 and it was slightly better. - Runs well, not down on power. 7L, runs very smoothly when it is first started, and has not reached operating temperature. UPDATE: I replaced the vacuum hose and the truck actually improved a bit however the idle remains rough and when gearing up to about 15 to 30 mph the idle gets jerky. At this point I changed the OXYGEN SENSOR. The P0506 code is sets when the Powertrain Control Module (PCM) detects an engine speed outside of the Idle Air Control (IAC) range of control. The motor starts and idle very rough and then dies. 2004 - 2008 Ford F150 - Rough Idle/Misfiring - HELP! (2006 F150 5. This article applies to the Chevrolet Silverado 1500 GMT900 (2007-2013). 1997 FORD F 250 DIESEL POWER STROKE EXTRA CAB 7. however ive mentioned it here because as of yet it isnt a TSB and like i mentioned without having called TAS looking for assistance on figureing out what was wrong we never would have found out about the exhaust valve actuators, however that being said id expect them to release a TSB once they have assured that the new updated actuators do actually fix the problem. It was only having issues after working hard pulling my camper and then coming to an idle. It’s a simple thing to fix and only takes a few minutes to swap a gas cap. 2014-2016 Chevy Silverado 1500 Rear. 2015 silverado w/ 4. - Runs well, not down on power. The idle of a car engine is kind of like a human heartbeat: You can tell what shape it's in just by listening. 609, headers, 36lb injectors with factory TB and LS6 intake. 0 V8, 4×4, 193,000 miles. I have a 2005 H2 SUT with 200,000 miles and over the past couple of months, I have noticed that there is slight hesitation on acceleration and the idle is very rough once the engine is hot or has been running for more than 30 mins. Rough idling, how do I fix my particular issue? 14 Answers. - Jared - '07 Silverado LT Z71, '99 Camaro '02 Trailblazer - rust cancer, RIP This site is funded by you! If you have saved some money from help you received, please consider donating or becoming a supporter. This ALMOST completely eliminating the rough idle and NO MORE HICCUPS. A vacuum leak on a fuel injected engine will cause high idle. Really,become a pain in the *** & i'm sure they will fix your problem. Certain Chevy Silverado accessories can help your rig stand out from the pack visually, while also opening the door to a host of performance driving. This page covers fuel-injected cars. Mechanic's Assistant: Are you fixing your Silverado 1500 yourself. ) The troubleshooting procedure for high and low idle conditions are similar, which are included in the following: Difficulty Scale: 4 of 10. Drivers of direct-injected gasoline engines have been complaining about a rough idle and a check engine light that has been illuminating on the dash. Certain Chevy Silverado accessories can help your rig stand out from the pack visually, while also opening the door to a host of performance driving. 4L v8) - I am completely stumped here. This morning (-5 to 0F, light wind), starts up fine, no stumble no "misfire" at initial startup, then once that's complete it acts a little rough, some flashing CEL at idle (likely misfire), couldn't read it with my cheap scanner I had along (was only on for a few seconds at cold idle). A normal healthy idle air control valve will provide smooth idling in your vehicle. 3 LT 4x4 ext. Chevy Silverado P0455 OBDII Code Symptoms. 10852511), saying the truck "has the Chevy shakes between 38 and 70 miles per hour. Throttle Body Injector Tester. Just recently say in the last 1 thousand miles its been idling rough once put in gear, occasionally when not in gear. Anyone else had this issue or have a suggestion. date reported june 08, 2016; nhtsa reference #10080684; tsb reference #pip5211e; description: this preliminary information communication provides information to the technician the steps needed to diagnose and repair vehicles with a rough idle and/or vibration at idle in drive. SYMPTOM SUMMARY The engine idles too high. Some engines just idle rough. As a result, the consumer wins -- whether hauling equipment to a job site, working a farm or towing a boat, the Silverado 2500 and 3500 are built for tough work, and they are some of the best. of the time it's. 3-liter V8 and 20-inch wheels on October 23, 2014. The Silverado is the nation's best-selling vehicle, second only to Ford's F-Series pickup. i have a vibration in my 2014 sierra, i have been having back issues because of. A faulty O 2 sensor can also cause RPM to fluctuate at idle. A number of owners of the 2016 Chevrolet Silverado 2500 HD complain that the steering is loose or wanders. The P0506 code is sets when the Powertrain Control Module (PCM) detects an engine speed outside of the Idle Air Control (IAC) range of control. I think part of the reason is that there are so many possible causes of an idle problem, so it ends up being a common issue. The following Community Fix summarizes the interaction between members of the community that led to the solution. USUAL CAUSE The usual cause of abnormally high idle speeds are vacuum leaks or an inoperative idle speed control motor. -2007 Silverado 3500 Classic Crew Cab 4x4 Dually, Diablo Predator, Diamond Eye downpipe & 5" straight pipe, AirDog II 165, Cognito UCA's, 285/75/16 LTX M/S2's, 2" billet steel spacers-2011 Silverado 1500 Crew Cab 4wd, 6. The contact was advised to go to summit city Chevrolet (5200 Illinois rd, fort wayne, in 46804). I had experienced a slightly rough idle previously (nothing serious) and had been unable to track it down. I then tried to turn it back on and after 4 - 5 cranks (it usually takes 3) I decided to stop and not put too much strain on the starter. 6L 2016, Plug-n-Play DSP-5 Digital Switch with High Idle Control by GDP Tuning®. with that bit of info, i just set it at 950 and it idles fine with some tweaking to the carb idle adjuster screws. Consumer states mechanical problems the consumer stated there was dry rot on the inside and outside of the doors, and under the truck bed. In cold weather my 2000 sierra starts, reves up idles back down to rough idle and continues to do so for about a minute. I think I know what may be wrong but would like some advise. Ditto fellas, I just bought an 01 silverado 5. Since the 6. 97 chevy k1500 with 305, engine rebuilt by shop 60k ago, last few months only drove truck 4-5 times, last time driving gave p0306, new plugs, wires, cap, rotor, cleared code, now gives p0300, took intake apart removed spider, sprayed/scrubbed each injector and poppet with cleaner, but no way of cleaning the line between the injector and poppets. Unusual fuel consumption: The TPS works alongside other sensors to ensure that your ride. If not checked quickly, it can cause additional. If severe, the engine or vehicle may shake. From the powerful 4. When at a stop or in park it will sometimes die. This last time it happened I also got the check traction control and stabilitrak. 6 and with the fuel trim on it would idle at 2. I recently bought a 2016 Silverado 1500 last October. Figured Id share this since Ive seen a good amount of people here complain about a rough idle. This article applies to the Chevrolet Silverado 1500 GMT900 (2007-2013). 6 Million Vehicles; AIR BAGS , SEAT BELTS Report Receipt Date: SEP 08, 2016 NHTSA Campaign Number: 16V651000 Component(s): AIR BAGS , SEAT BELTS Potential Number of Units Affected: 3,640,162 SEPTEMBER 2016-- General Motors LLC (GM) is recalling certain model year 2015-2017 Chevrolet Silverado 2500 HD, 3500 HD, Tahoe, Suburban, GMC Sierra 2500 HD and 3500 HD. - Any throttle and it clears up. It didn't single out a particular cylinder or sound and feel like I had a dead cylinder so I did a check for vacuum leaks nothing. The manufacturer was notified of the failure. If you think your Silverado MAP sensor is going bad, this How To Guide can help you test it. Faulty Computer. Symptoms include engine running rough (no mention of idle), "check engine" light on, and a Reduced Power Mode. Electric body type; ADD TO CART Vehicle Specific Hitachi New Throttle Body Unit ETB0024-AZ. Ditto fellas, I just bought an 01 silverado 5. The engine in your 2016 Chevrolet Silverado 1500 1/2 Ton requires three basic things to run: fuel, air, and fire. with that bit of info, i just set it at 950 and it idles fine with some tweaking to the carb idle adjuster screws. If the idle air control valve is malfunctioning, it will cause the engine to idle rough, too low, too high, or irregular. Aside from that, I can't keep it set to maximum cool because it WILL freeze you out of the truck. Anyone else had this issue or have a suggestion. Cleaning out the carburetor to remove carbon deposits is probably a good place to start. 121 Responses to "Silverado and Sierra Vibration Problem Leave Drivers Shaken" #1 ricardo says: January 22nd, 2016 at 1:37 am. Where this is the case, apply a solvent available from a auto parts store to clean it up. Jump to Latest Follow 2014 Silverado 2014 Cruze 1999 Trans AM 1998 Formula 1989 TTA. In its motion to dismiss, GM zeroed in on each of the plaintiffs' 104 claims, which range from fraudulent omission and unjust. A vacuum leak on a fuel injected engine will cause high idle. Having a a major dilema with a rough idle / Multiple Cylinder Misfire on my 2001 Chevy S10. com help you with any Chevrolet Silverado 3500HD parts you need. Now that I have the vehicle I want to fix it. The approximate failure mileage was 12,790. No change after cleaning. The IAC valve meters a small amount of air into the intake manifold. This is a great place to start. anyway I got it and the turbo was blown so I replaced the turbo and it starts and runs now but it has a very rough idle and smells like unburnt fuel. Many different problems could result in a rough idle for your car or truck, including: dirty fuel injectors, clogged air filters, bad spark plugs, and a variety of exhaust system issues. of the time it's. The contact stated that the engine indicator continuously illuminated on the instrument panel. I own 2 Chevy Silverado's and 1 Tahoe. 2016 Chevrolet Silverado 1500 Technical Service Bulletins. They can also help you find components for other versions of the truck. Those are the 6. Replaced the spark plug and the idle got somewhat better for a short time. Rough idle and low power 10 Answers I have a 05 chevy silverado with the 4. Unusual fuel consumption: The TPS works alongside other sensors to ensure that your ride. A weak battery will produce a weak spark at the plugs, and will turn the engine over slowly. I've also had this issue twice with my '12 5. 2014 Chevrolet Silverado 1500 2014-2016 Chevrolet Corvette 2015-2016 Chevrolet Silverado, Suburban, Tahoe 2016 Chevrolet Camaro Chevrolet Factory Service Bulletin OBDII Code P0300 2002 Chevrolet Blazer P0300 Misfire Diagnostics. This article applies to the Chevrolet Silverado K2XX (2014-Present). When the idle is adjusted lower that problem stops. My 2017 1500 same thing and the dealer said the Maf sensor needs to be cleaned. of pressure at. Edmunds also has Chevrolet Silverado 1500 pricing, MPG, specs, pictures, safety features, consumer reviews and more. This steady pace is mandated by the vehicle's idle control valve, which is also known as an idle air control valve. Chevrolet Silverado 1500 owners have reported 20 problems related to engine burning oil (under the engine and engine cooling category). Replaced Valve Cover/gaskets now have rough idle 2008 BMW E83 165k 2016 Chevy Silverado 85k 2011 VW Jetta 120k 1984 GMC S-15 130k Replaced Valve Cover/gaskets. had about a foot of water in the cab while it idled (not the greatest) under water for over an hour. When the procedure is followed the engine idle speed will slowly increased to the calibrated high idle speed. -At some point in the last year he had received the reduced power message while on the freeway. Makes waiting for turns dangerous as the truck my unexpectedly turn off while moving. Title Rough idle, long start-ups, reset fuel-alcohol content. Your idle may be rough but more than likely your Silverado will run rich or use too much fuel. This article applies to the Chevrolet Silverado K2XX (2014-Present). Many different problems could result in a rough idle for your car or truck, including: dirty fuel injectors, clogged air filters, bad spark plugs, and a variety of exhaust system issues. As a result, the consumer wins -- whether hauling equipment to a job site, working a farm or towing a boat, the Silverado 2500 and 3500 are built for tough work, and they are some of the best. Rough shifting "Dealer installed a new part in the transmission to illuminate shifting problem" Jim R. Turns out it was the map. I have a 2005 LS Silverado 5. rough idle & misfire, burning oil. If the idle air control valve is malfunctioning, it will cause the engine to idle rough, too low, too high, or irregular. The Check Engine lamp may be illuminated along with DTCs P0123 (Throttle Position Sensor 1 Circuit High Voltage) and P0222 (Throttle Position Sensor 2 Circuit Low Voltage) set. 2017 Silverado 1500 hesitation on acceleration When you accelerate hard it has no issues but on the slower accelerations it feels like it is having trouble shifting. I then tried to turn it back on and after 4 - 5 cranks (it usually takes 3) I decided to stop and not put too much strain on the starter. its been about a week since i've done the trick and still no problems. had about a foot of water in the cab while it idled (not the greatest) under water for over an hour. When there is a large leak in the Chevy Silverado’s EVAP system, it will throw the P0455 OBDII Code. All proceeds go to supporting the site. NHTSA Campaign Number: 19V328 Manufacturer General Motors LLC Components ENGINE Potential Number of Units Affected 324,226 Summary General Motors LLC (GM) is recalling certain 2019 Chevrolet Silverado 4500, 5500 and 6500 vehicles and 2017-2019 Chevrolet Silverado 2500 and 3500 …. This last time it happened I also got the check traction control and stabilitrak. Once it has reached operating temperature, and been there for approximately 20 minutes, it develops a very rough idle and will not accelerate properly, i. The computer controls the idle air control valve and only allows enough air to maintain a steady idle of 650 rpm’s which keeps the engine from stalling. It drove great for a couple hundred miles, then started to hesitate to shift into gears 2 and 3. 3's repair needs, and let you plan future repairs. I have a 2016 Hyundai Tucson 1. Rough shifting "Dealer installed a new part in the transmission to illuminate shifting problem" Jim R. Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder. 2 has a 87mm and the 5. This system allows the engine control module (ECM) to increase the. So I have been having this issue lately where the idle dips to 600rpm/500 rpm and it VERY rough - almost misfiring. The Check Engine lamp may be illuminated along with DTCs P0123 (Throttle Position Sensor 1 Circuit High Voltage) and P0222 (Throttle Position Sensor 2 Circuit Low Voltage) set. I would really really appreciate it if someone took at look and provided me feedback. So I have a GM Accessories CAI for my 2016 silverado 5. Rough idling, how do I fix my particular issue? 14 Answers. Throttle body fine, no codes. - Changes from rough to smooth idle in park occasionally. This article applies to the Chevrolet Silverado K2XX (2014-Present). 3L with 100K miles on it. I took it to 2 places both confirmed a cam position sensor code and miss firing in bank 3. I can push the gas and it feels smooth over 2000 rpms. Still runs rough at low rpm and wont idle at all. The blinking would stop after a few minutes and the light would go away. The Silverado is the nation's best-selling vehicle, second only to Ford's F-Series pickup. I can hear the engine "laboring" at one spot and it lunges forward at that exact spot. Although the check engine light is an indication that something is wrong with your pickup, it's not always clear exactly what that something is. An expert that has 1 follower. I had issue with it and am posting this, hoping to help others who've had similar issues. : PIP5211 E Date: Jun-2016. Other issue is the truck lurches when changing for v-4 to v-8 mode. , I can't much past about 20 mph. This has been my dream truck for sometime and I was finally able to make it happen last week, I am hoping that there is an explanation for this and that I did not just spend 60k. The oxygen sensor will detect the extra oxygen that is entering the engine through the vacuum leak and will signal. So I have a GM Accessories CAI for my 2016 silverado 5. - Idle smooths out in gear- Drive or Reverse, will do it but to a lesser degree in Neutral. The Silverado is the nation's best-selling vehicle, second only to Ford's F-Series pickup. Took it to the dealer, the magnetic ride control shocks and struts failed and are fully extended. P0506 CHEVROLET Possible Symptoms. Replaced Valve Cover/gaskets now have rough idle 2008 BMW E83 165k 2016 Chevy Silverado 85k 2011 VW Jetta 120k 1984 GMC S-15 130k Replaced Valve Cover/gaskets. Now that I have the vehicle I want to fix it. Another symptom I was experiencing was a rough idling, but as soon as I got to cruising speed it felt ok. The truck runs fine no obvious problem. I just changed the plugs hoping to correct the issue. The engine in your 2016 Chevrolet Silverado 2500HD 3/4 Ton - Pickup requires three basic things to run: fuel, air, and fire. 3L with 100K miles on it. The contact was advised to go to summit city Chevrolet (5200 Illinois rd, fort wayne, in 46804). Below are the four most common. It’s a simple thing to fix and only takes a few minutes to swap a gas cap. Engine Light ON (or Service Engine Soon Warning Light) Engine hard to start. Jump to Latest Follow 2014 Silverado 2014 Cruze 1999 Trans AM 1998 Formula 1989 TTA. SYMPTOM SUMMARY The engine idles too high. A new tie rod end replacement for Chevy Silverado stops that annoying vibrating you've been noticing when you try and turn your wheel in one direction or another, and it also replaces any worn or ruined tie rod ends, which often lead to uneven tire wear. News, email and search are just the beginning. Home › Forum › GMC › 2015 Yukon Denali rough idle issue and general frustration This topic contains 2 replies, has 3 voices, and was last updated by GM-4-LIFE 5 years, 2 months ago. The Silverado is the nation's best-selling vehicle, second only to Ford's F-Series pickup. When I do a cold start I can see the exhaust sputtering for the first 10-15 seconds (pretty much choking). Sharing the name of the original full-size SJ model, but without a traditional body-on-frame chassis, the XJ instead featured a light-weight unibody design. We here at Auto Parts Warehouse want to make sure you're happy with your car part purchases. rough idle, check engine w/ P0171 & P0174 codes - I have a 98 Expedition with a 5. #4 • Dec 7, 2015. Engine Light ON (or Service Engine Soon Warning Light) Engine hard to start. Attachments. date reported june 08, 2016; nhtsa reference #10080684; tsb reference #pip5211e; description: this preliminary information communication provides information to the technician the steps needed to diagnose and repair vehicles with a rough idle and/or vibration at idle in drive. 5 Silverado 2500HD ECSB - Silverbirch, LLY DMAX/ALLISON, Half ton keys and blocks, 18x9 XD Hoss's, 285/65/18 Trail Graps, Tie rod sleeves, 06 front clip, Efi live w/dsp5 by longhorn fab shop, Lbz mp, Pcv reroute, 5" Straight Pipe, K&N drop in. Maybe that'll fix the EXTREMELY slow throttle response the car has. A number of owners of the 2016 Chevrolet Silverado 2500 HD complain that the steering is loose or wanders. Subject: Cold Engine Idle Misfire Or DTCs P0171 P0174 - keywords 4. Submit Repair Cost. So much bounce and jarring that the car is unsafe to drive on any rough road. 3 liter v8 with 18,000 miles seems to idle rough. Figured Id share this since Ive seen a good amount of people here complain about a rough idle. Throttle Body Injector Tester. The approximate failure mileage was 12,790. Already took off TB from motor and cleaned it with a tooth brush and TB cleaner, replaced temp sensor, cleaned MAF sensor, there is no IAC valve (sensor) on this engine. Rough start - cranks several times and fires everytime, but I have to bump the throttle to make it stop coughing immediately after starting up. This is done through the vehicle's computer system and then sends the information to the components. When placed into gear (reverse/ drive/ 3 / l2 / l1) and at idle, the engine vibrates enough to drive me mad. A rough idling engine can be caused by spark plugs or spark plug wires. 2016 Tahoe w/ 96,000 miles began riding extremely rough any speed. A plug that is damaged or installed incorrectly can result in fuel being burned at an inconsistent rate. The dealers solution clean valve cover due to blow by replace #1 plug as it was fouled. But in the day and age where the Chevy Silverado has a sensor for everything, it could literally mean that your gas cap is off, or it could mean catastrophic engine failure is about to happen. date reported june 08, 2016; nhtsa reference #10080684; tsb reference #pip5211e; description: this preliminary information communication provides information to the technician the steps needed to diagnose and repair vehicles with a rough idle and/or vibration at idle in drive. was created by Solid Steel last summer i was offroading when i nose dived it into a water hole and got stuck cause it bogged out. I've heard many complaints from customers, in person and online, about a ticking-type noise coming from the engine on their Chevrolet Silverado. of pressure at. The motor dies while moving at idle speeds mostly while making a turn. I have a 2017 GMC All Terrain X Edition 4x4 w/the 6. It is not a recall, or even a Service Bulletin. The service manger & myself would be on a first name basis until the problem was fixed. This happens while driving and sitting still (for the lights and rough idle) not the hard shifting. I took it to the dealership and they said it was a fuel injector going bad. Cleaning out the carburetor to remove carbon deposits is probably a good place to start. It was only having issues after working hard pulling my camper and then coming to an idle. That took care of most of rough idle and amazing speed power in all gears. To save money on your repair, purchase AutoAnything's Chevy Silverado replacement EGR valves rather than paying a mechanic and enjoy our 1-Year, Lower Price Guarantee. 2016-2018 Chevrolet Camaro 2016-2019 Chevrolet Corvette 2014-2018 Chevrolet Silverado 1500 2015-2018 Chevrolet Suburban 2015-2018 Chevrolet Tahoe Condition: A vehicle may have a concern of DTC P050D setting along with a P0300 after a cold startup. Anyone else had this issue or have a suggestion. It was easy to take out and didn't need to. Sometimes it has a really rough idle. - Any throttle and it clears up. Certain Chevy Silverado accessories can help your rig stand out from the pack visually, while also opening the door to a host of performance driving. If it does not idle correctly after this procedure, you will need to clean the throttle body. 5 afr with -10 fuel trim i have made some. 2L - rough idle? Jump to Latest Follow 1 - 20 of 20 Posts. NEWS: General Motors is recalling 3. It drove great for a couple hundred miles, then started to hesitate to shift into gears 2 and 3. im assuming you dont have a CEL on and you have already changed the plugs, right? every thing i can think of would set a code if it was bad like map, iac, etc. - Idle smooths out in gear- Drive or Reverse, will do it but to a lesser degree in Neutral. The Silverado 3500 lift kit, components for the 2016 Chevrolet Silverado 3500 diesel, and other parts may be found in the Chevy Silverado 3500 parts catalog at PartsGeek. 3L with 6 speed transmission. 4L Triton that has developed a problem noticed first in a check engine light. Symptoms include engine running rough (no mention of idle), "check engine" light on, and a Reduced Power Mode. Rough idle under cold start conditions could be a symptom of a more serious problem. 42) in November and had to take it into the dealer a week later for a transmission issue (coming to a stop the truck would shudder as. Also ran injector. #4 • Dec 7, 2015. Edmunds also has Chevrolet Silverado 1500 pricing, MPG, specs, pictures, safety features, consumer reviews and more. The motor dies while moving at idle speeds mostly while making a turn. So much bounce and jarring that the car is unsafe to drive on any rough road. Re: Cold weather rough idle Unread post by carriedi » Wed Nov 19, 2014 5:26 pm the first thing to do is leave your truck at a shop that can park it outside overnight and start it up in the morning with a scanner hooked up and see what the engine is doing (or what the computer sees the engine to be doing). Submit Repair Cost. Turns out it was the map. ; run gas line anti-freeze to clear up any moisture that may be in the fuel system. Other issue is the truck lurches when changing for v-4 to v-8 mode. Cadillac's bold and innovative range of prestige vehicles appeal to those who dare to drive the world forward. com and find specs, pricing, MPG, safety data, photos, videos, reviews and local inventory. 2003 f350 7. the tach read 0 yes zero and below, llights are dim and driving my tach reads normal untill i slow down the the problem reoccurs. I've been told that's how they were "released" to the public. It is a Campaign and the number is 11273B and it only pertains to the V-8 engines. Show 30 more comments. Rough Idle In Drive 2015-2016 Cadillac Escalade Models 2014 Chevrolet Silverado 1500 2015-2016 Chevrolet Silverado 1500, Suburban, Tahoe 2014 GMC Sierra 1500 2015-2016 GMC Sierra 1500, Yukon Models With engines 4. Replaced both top oxygen sensors, tps, and maf. Edmunds also has Chevrolet Silverado 1500 pricing, MPG, specs, pictures, safety features, consumer reviews and more. well in my case it improved the idle and the shifting. 2016 Chevrolet Silverado 1500 Technical Service Bulletins. Chevrolet Silverado 1500 owners have reported 20 problems related to engine burning oil (under the engine and engine cooling category). 2002 Civic, 1. anyway I got it and the turbo was blown so I replaced the turbo and it starts and runs now but it has a very rough idle and smells like unburnt fuel. It makes a lound sound and jerks into each gear. Spark plugs use the electrical current received from ignition coils to ignite the air/fuel mixture within the combustion chamber. 3 seems to get a slight rough idle and it drops just below 500 rpm when stopped. Had 16 miles on it. Usually at start-up it is loudest, and this may even cause a misfire condition on a particular cylinder. 8l v8, 170k miles, oil change about 1k ago with a high mileage 5w30. Replaced both top oxygen sensors, tps, and maf. Idling and driveability problems can be caused by a variety of issues. It is best to try to diagnose and fix a rough idle before it gets worse and before it gets expensive!. Electric body type; ADD TO CART Vehicle Specific Hitachi New Throttle Body Unit ETB0024-AZ. This means GM is always endeavoring to innovate and continue to improve the truck's design. Rough idling, how do I fix my particular issue? 14 Answers. 2016-2018 Chevrolet Camaro 2016-2019 Chevrolet Corvette 2014-2018 Chevrolet Silverado 1500 2015-2018 Chevrolet Suburban 2015-2018 Chevrolet Tahoe Condition: A vehicle may have a concern of DTC P050D setting along with a P0300 after a cold startup. I have a 97 silverado,5. Depending on the vehicle application, generator current (amperage) output at engine idle speeds of 600-700 RPM can be as low as 35 percent of the full rated output. 3L V8: Fuel & Air: Fuel Injector: Fuel System Repair Manual. Rough Idle Truck would bog down during take off Truck would cut-out going down the road Truck would buck in 5Th gear Repairs: New air filter - still did it Cleaned MAS - still did it Cleaned throttle body - still did it Changed spark plugs (and boot things) - still did it Changend varible valve sensor - still did it. It didn't single out a particular cylinder or sound and feel like I had a dead cylinder so I did a check for vacuum leaks nothing. Just recently say in the last 1 thousand miles its been idling rough once put in gear, occasionally when not in gear. Also ran injector. This article applies to the Chevrolet Silverado 1500 GMT900 (2007-2013). 3L with 6 speed transmission.
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