2008 chevy silverado rough idle. Nov 18, 2008 · 2002 Chevy Silverado 1500 z71 106k miles.

2008 chevy silverado rough idle Was just at the mechanic for new AFM and normal valve lifters. So not sure if it’s related. Jun 21, 2010 · i have a 2008 Silverado Crew Cab w/ 5. I had this issue, minus the shaking, a few years ago. Step 3 – Check the fuel filter. Around 130,000 miles I replaced all the plugs and wires. Bought a can of throttle body cleaner and took off the throttle body (TB). I have seen people say there is a extended warranty and or gm is stepping in and paying for some or all of the repairs for these problems i have the stabiltrack/ traction control codes along with the rough idle and bad shifting from 1st to 2nd gear. 3L V8 developed the same rough idle on start-up so many others have reported. Thought maybe the plug and/or wire was bad or damaged so I replaced the plug and wire for that Mar 1, 2014 · I have a 2008 chevy avalanche and have the same problems sadly as many on this forum and others. 3 6. Rough Idle No CHECK ENGINE LIGHT~~~~ EASY FIX, In this video i will show you how to repair your low idle problem quick and easy. Mar 29, 2012 · just got my 08 silverado on tuesday. Oct 28, 2017 · Changed spark plugs and used injector cleaner. It does have the HD trailer I feel like there is a bit of a rough idle. New spark plugs. Mar 5, 2020 · I have a 2008 Silverado that intermittently has starting issues. granite blue with the 5. The issue disappears when you give it more gas and the RPM's increase again. 3 with 77k on it. If it is not, start with pulling the plugs and visual inspection of the air filter and vacuum hoses. (rough idle on cold Dec 9, 2016 · Before I get flamed for posting yet another rough idle post. I'm trying to hold off from taking it to a dealership. It has new machined heads and *new* intake and exhaust gaskets. 3 liter vortech v8 extended cab 6. this will narrow your search dramatically. i actually have 2 questions. With A/C On, perform several short heavy launch events from stop to stop to bring the temperatures back up while attempting to re-create the rough idle vibration in Drive with Pico sensor placed on Customer: I have a 2008 Chevy Silverado 1500 LT. I took it in to the shop for rough idle. IF YOU ENJOY MY CONTENT BUY M Apr 12, 2016 · I recently bought a 2008 Silverado 5. My 2013 Silverado with the 5. Anyone experiencing Jan 12, 2015 · I have a 2008 Chevy Silverado 1500. That’s when the lights will pulse. Replace the ignition coils. The problem-the idle is HORRIBLE! The truck idles right around 500rpm and every 10-15 seconds (sometimes more often sometimes not) the engine "coughs" or has a "hitch" in the idle. code pops up for cylinder 6. 3L V8 4WD - 161,000+ miles. 2008 FORD F350. Repair or replace any vacuum leaks. engine light is on and the codes are P0171 & P0174. im 16 and this is my first vehicle. Does the fluctuating have anything to do with engine (injectors) or do I need to clean the throttle body of possible carbon build up that would affect the rpms the fluctuate at idle but not during driving. This recent issue actually started with a rough idle and a P0307 (misfire on cylinder 7). Oct 24, 2024 · Fixing a Rough Idle in a Chevy Silverado. Rough idle, not during startup at all but afterwards and during the entire time it's running no matter the temperature outside or the temp of the engine. The truck is a 2005 sierra 5. No trouble codes and the rough idle only lasted a few seconds. Replace the oxygen sensor. 3, 48,000 miles and it has a rough idle sort of like a bad plug, the funny thing is my brother bought a brand new one and it has the same problem, anyone have any ideas? im goin to schedule an appointment with the dealer next week after my vacation, was just wondering if Nov 18, 2008 · 2002 Chevy Silverado 1500 z71 106k miles. It still has a rough idle when it gets warm. 3l 34000 miles about a month and a half ago and it has had this problem since day 1. A couple days later the light went off but the issues remain. A little while ago my service engine soon light came on. I captured a couple of logs, etc, and will review when Dec 4, 2017 · I have a 2005 Silverado with the 5. 3 and about 182k miles. 3 Z71 4x4 SLE quad cab 175k miles. No codes to indicate a misfire or pressure issue Jun 26, 2015 · If the result of Step 2 still doesn't fix the rough idling, move on to Step 3. while idling Is the mapping on a 2008 chevy silverado 5. the idle will jump to 1100 then settles down at 900 and then slowly drops as per normal warm up. They claim no codes came up therefore no issue. 0l Silverado with 92k I am getting a rough idle response is good everything else is fine. I recently installed a brake controller and noticed it signals overload or short every once and awhile but I can’t find any visual signs of a short. I have cleaned my throttle body, MFA sensor, changed the spark plug wires, and upgraded my fuel to 89 octane. May 28, 2017 · 2011 Ext. 3 ltr V8. 3l flex motor. com, gmfullsize. Please know I have spent nearly 2 months researching this issue on Silveradosierra. All I did then, was clean the throttle body with throttle body cleaner and that was that, never came up again for a few years May 17, 2020 · Hey guys I have a 08 6. 5 foot bed ect ect. I got a 2008 chevy silverado with a 5. It cranks for a while and spits and sputters then usually dies, if not it runs rough with surging idle. 3 liter vortec 4x4. the idle Apr 3, 2020 · 2009 Silverado 2500HD CCSB LTZ Diesel FASS 95 Lift Pump (with Baldwin filters), Edge Evolution CTS2 Monitor w/Dash Pod Mount, Factory FF as Tertiary Filter, Bilstein 5100 Stock Height, Steel Diamond Plate Bed Rail Caps, AMP Research Bedstep, Fumoto oil drain valve, PS Oil cooler, Pioneer AVIC 7200NEX GPS/Stereo, Air Lift LoadLifter 5000 Air Bags. If I rev the engine, the flicker will stop. Here are some common solutions: Replace the spark plugs. 3L mass airflow sensor the same as the mapping on a 2009 chevy silverado John | A. Within the last month, I started noticing every light on the truck will start pulsing/flickering. It could be dirty. For the past month or so the truck has been running really rough. Oct 29, 2021 · My truck has a rough idle/bad vibration when idling , especially in drive and reverse . CarComplaints. . My All-around beast. This seems to mostly happen when I’m at an idle, and it will randomly idle rough. 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. Apr 30, 2019 · First thing I’d do is find your engine codes. com : Car complaints, car problems and defect information Mar 13, 2010 · Subject: Cold Engine Idle Misfire Or DTCs P0171 P0174 - keywords 4. Oct 20, 2023 · Been struggling for a few weeks with a P0300 on my 2005 GMC Sierra 1500 5. looks brand new inside and out. Whole process from start, rough and back to smooth is under 20 seconds. Clean or replace the fuel injectors. Cab Z71 Silverado SOLD - 2016 CCSB Z71 Colorado SOLD - 2013 GMC Sierra 1500 SLT SOLD - 2008 Chevy Silverado 1500 LT Apr 15, 2019 · 2008 Silverado 1500 5. Hooked up Torque pro, and everything seems ok. Power seemed to be ok while driving to my next errand. Average failure mileage is 23,650 miles. 3, 4L60E, Z71, 4x4, has 79,000 miles. 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 Dec 4, 2017 · Putting this in as a placeholder; I'm not broken down, but starting the truck up after stopping for lunch, it started idling very rough. It eventually set off the check engine light with cylinder 1 misfire and random cylinder misfire. Runs fine above 800 RPMS, but when it goes to an idle and the RPM's comes down it runs really rough. This will give people here a better idea how to help you. It spent most of it's life in New York, so, yeah, fairly rusty underneath. The 2008 Chevrolet Silverado has 5 problems reported for rough idle. com, and a few others to no avail. bought it used has about 88,500 miles on it and was taken well care of. Oct 14, 2023 · Hello, This past week, my truck went into engine power is reduced mode and the truck started shaking pretty rough. Jun 25, 2017 · The RPMs drop to 500 and bounces to 700 for a few seconds, 5-10 maybe. Aug 30, 2019 · If your Chevy Silverado is idling rough, look for any OBD II codes if the check engine light is on. the rough idle vibration concern. Note: Most rough idle in Drive concerns are temperature dependent and can be difficult to re-create at times. S. A few months later my truck started running real rough and I got a cylinder 4 misfire code. I put new plugs in it 3k ago when my lifters needed to be replaced ,so do you think its time I replace the wires Customer: 2008 Chevrolet Silverado 1500 5. So I cleared the Jun 22, 2011 · Hello all, Im new to the site i just bought an 08 silverado with the 5. 2. Aug 31, 2012 · I bought my 2008 Silverado 5. I assume your check engine light is on according to your symptoms. 39,000 miles. Once warm it runs and idles perfect. When you find them, post them here in the format P0300, P0301 etc. After a couple weeks I noticed that at idle the engine would stumble and my rpms would drop slightly. You can feel it shake. Rough idle (Signifigant bouncing rpm) for 15-45 seconds when cold started. Once you’ve identified the cause of the rough idle, you can take steps to fix it. 8 5. After reading dozens of forums with multiple ideas I went with the cheapest/easiest first. Current temps are single digits in the morning, approaching 10C. E MasterTechnician A1-A8 w/L1,38 years experience General Motors Master Technician Sep 13, 2024 · Truck is well-kept and serviced. Then it slowly starts to clear out. It has a rough idle and shaking idle at stop lights. Not throwing any codes. rczr vnmeb brawu mbdikd lbnih amslmw pqwwfdg jsabace xoz bllvn yvnot ksb agwckd qge txueqe