Gmc Sierra Rough Idle When Cold

Chevrolet/GMC: on some vehicles, accessory drive idler pulley will be replaced due to noise in bearing and pulley may fail and alternator and water pump stop working. ---- Forgot but will read very low or very high with either hot or cold. White smoke and/or coolant odor may come from exhaust for an extended period of time at cold start as well. The crank sensor measures engine RPMs and then relays that information to the engine control computer. Start by checking for intake leaks, intake gaskets are a common caused of multi-cylinder misfiring. Cold Engine Enrichment A common complaint, especially when temperature start to drop is, "My car runs poorly cold, or my car is hard to start cold". A few weeks ago. it also seems the longer i sit the worst it gets. I have an 09 Sierra Denali with th 6. Rough Idle When Starting Cold, Then Goes Away When Engine Is At Operating Temperature More Details Below I have an older, low mileage vehicle with a V8 engine. Subject: LM7, L59 or L33 Engines with Cold Start Rough or Incorrect Idle, Misfire, Malfunction Indicator Lamp (MIL) 2004-2005 GMC Sierra 1500, Yukon, Yukon XL. I have a 2000 GMC Z71 obviously with the 5. Your complaint will be added to the NHTSA complaints database after a thorough review. Hi I have a 2001 GMC 1500 With the 5. To get it to slow the rpm's sooner, a person can tap the throttle once and it should slow down. It idles rough, at different speeds and never settles down, (between 900 and 1300 rpm. Rough Idle. The high idle system will reactivate automatically when the following conditions occur: The engine has been idling for more than 30 seconds. In regards to the engine/valve clatter, I am hearing that the intake manifold gasket is the culprit which may relate to anyone having issues with low coolant (no visible leaks) and the rough idle. The check engine light never comes on. while going down the road the car stalls like its running out of fuel with a full tank. 8 Rough idle on cold start. Any other times that it starts running rough or smelling rich at idle? If that's cold as in cold after sitting overnight. It runs pretty smooth when the engine is cold. But, as the engine warms up, the engine misfire or rough idle tends to go away, which seems confusing. I recently moved from LA to Denver and started having problems the first winter with really rough idle, stalling until it warmed up for a few minutes, and check engine light coming on. The most recently reported issues are listed below. Before you do anything, hit the broken bolt with some penetrating oil, and let it soak in for a few hours. The normal idle is about 600 RPM. Had the BB Tune bump the idle up to 600 at 1000 miles and that seemed to eliminate it for the time being. There are 36 complaints filed for the 2013 GMC SIERRA. Rough Running Only When Cold - Chevrolet / GMC 5. Cold weather rough idle. *rm Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum Since 2004 A forum community dedicated to Chevy Trailblazer and GMC Envoy owners and enthusiasts. IACV IAC Idle Air Control Valve 17113598 AC234 Fits Chevy GMC Camaro Tahoe Silverado Suburban Sierra Yukon 1500 2500 3500 Pontiac Firebird GTO Cadillac Escalade 4. 3 Plug and Wire Change, Rough Idle, P0300 Code. I don't have much experience working on cars but I want to learn, so I decided to give my car new spark plugs, wires, rotor and cap. Camshaft sensor low voltage operation Engine Management Systems (EMS) use the camshaft position sensor to manage sequential fuel injection and as part of misfire diagnosis. 7 2WD I bought my 1997 Sierra 1500 5. chevy forum at Car Dealer Forums; Truck runs great, but recently when the engine comes off the enriching circuit. I bought my Altima about a year ago and always had a rough idle, it's not so bad now but I feel it and it just bothers me. Discuss 1990 TBI 5. I have a constant rough idle, that doesn't seem to change weather engine is hot or cold. Misfire in cylinder 6. Makes a bold statement on the road. Rough idle in cold weather 14 Answers 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 have a 90 Chevy 2500 , 5. 2015 GMC Sierra Engine Technical Service Bulletins (TSBs). corey006 Junior Member from al,can. I purchased a 2016 Duramax GMC Canyon Crew Cab SLT on June 9, 2016 and it currently has rougly 13,000 miles on it. It's not bad enough to kill the motor, but when sitting at a traffic light, it will lug the motor down and then back up to idle, down,. My car has 99000 miles. 2001 Chevy 1500 4. what is your idle when fully warm?. Learn more about GMC Sierra 1500 at the Edmunds. The engine ran really rough for a few seconds. A rough start like that could mean it's not directing the right pressures, fluids or whatever when it cold starts. These problems includes information received by NHTSA from consumers either directly or as recorded by the Vehicle Safety Hotline. Cold Engine Enrichment A common complaint, especially when temperature start to drop is, “My car runs poorly cold, or my car is hard to start cold”. Hey, I have a 91 mustang GT. I have a 2000 GMC Z71 obviously with the 5. 7 Idle surging,stalling in the alt. models 2009-2013 express, silverado, suburban, savana, sierra. 3, Only rough when Cold. Chevy Silverado Forum (GMC Sierra) On my way into work this morning, I'm headed down a real rough road after pretty heavy rain lately. CarComplaints. In the winter when I start it it starts fine but idles. 2008 Tahoe rough idle cheap simple fix TexasPrepper. ) This feature enhances heater. Recently I started the truck in 15F and idled very rough shook the truck and everything. I have a 1999 GMC Sierra 4x4 with a 5. In some cases you need to pull over immediately to prevent damage while in others you merely need to tighten you gas cap next time you stop in order to reset the service engine soon light. There are a wide-array of 2007-2013 GMC Sierra 1500 Parts available in the aftermarket that you can find right here at AmericanTrucks, that will allow you to completely. on key on ( normal ) some say fuel pump whine is not a problem run it till it quits others say after several miles fuel pump motor gets hot & falls in output pressure , like any elec. If allowed to idle for a few minutes, the surging stops. A few weeks ago. 5 - GMC Sierra 3500 SLT 6X6 Crew Cab Long Bed [B][SIZE="2"]LLY Duramax Allison Dually Member #19 in the 3500 DUALLY Club!. Maintenance/Repairs. Suzuki swift stalling and rough cold idle? My 1994 Suzuki Swift 4cyl 1. In cold weather my 2000 sierra starts, reves up idles back down to rough idle and continues to do so for about a minute. A couple of mornings ago my truck barely started, was plugged in and blockheater is working. Before you do anything, hit the broken bolt with some penetrating oil, and let it soak in for a few hours. I don't see any applicable technical service bulletins on a. I replaced the pcv a while ago and I have no check engine light. 3L V8 Crew Cab Pickup (4 Door). The high idle system will reactivate automatically when the following conditions occur: The engine has been idling for more than 30 seconds. 99 New Air Intake Hose Tube Boot Fits 14-19 Chevy Impala 13-19 Cadillac Xts 3. Buy AIP Electronics Idle Air Control Valve IAC Compatible Replacement For 1999-2004 Cadillac Chevrolet GMC and Pontiac 4. This is a known problem with the LB7 and GM extended the warranty on these injectors to 7 yrs/200,000 miles. Find 2011 GMC Sierra 1500 recalls information, reported by the NHTSA, and we will help you find a nearby service center where you can get your car fixed. Flatrater: Safari P0306. 2l Cold Air - $79. Rough Idle. Bank 01 lean and misfire codes only when it was 14 or colder. Our vast selection is ready to be sent out today; place your order now! Carparts. I don't have much experience working on cars but I want to learn, so I decided to give my car new spark plugs, wires, rotor and cap. Best to do a standard tune up. Other than this everything seems to be running very smoothly. Very intermittent, seems worse with cold damp weather. Aside from high idle issues, low idle and even sporadic stalling can both be attributed to a bad idle control valve. Unread post by maggiemay » Wed Nov 19, 2014 3:52 pm I have a 2000 GMC Sierra 1500. Compare 2002 GMC Sierra 1500 Fuel Injection Idle Air Control Valve brands. 2001 Chevy 1500 4. 8 v6 cause these issues along with stalling at light and when shifting into gear. After idling for approximately 1 minute the check engine light flashes on the dash and runs smoother but not to its potential. – Rough or erratic idle speed P0507 GMC Description The Engine Control Module (ECM) controls the engine idle speed to a specified level through the fine adjustment of the air, which is let into the intake manifold, by operating the electric throttle control actuator. Rough Idle, Cold Start W123 300D. Well I went to work and plugged in and at end of shift it started but idle was all over the place surging, and then almost stalling lights going dimI was able to get home and diagnosed a bad battery. 5 - GMC Sierra 3500 SLT 6X6 Crew Cab Long Bed [B][SIZE="2"]LLY Duramax Allison Dually Member #19 in the 3500 DUALLY Club!. Re: 2002 gmc sierra 1500 5. Rough Running Only When Cold - Chevrolet / GMC 5. An actual engine misfire may or may not be felt along with an incorrect idle speed. GMC > 2001 > SIERRA 2500 > 6. 3L has a rough cold start and Idle. Also, GM V8 engines are very prone to a rough idle and misfire when cold. The 2008 GMC Acadia’s strong 3. 7 I5 with 120,000 miles on it. There is a factory service bulletin for the following Chevrolet models: Condition: A vehicle may have a concern of DTC P050D setting along with a P0300 after a cold startup. i have the same issues with my 99 sierra with the 5. Recently I started the truck in 15F and idled very rough shook the truck and everything. Your complaint will be added to the NHTSA complaints database after a thorough review. Also please check out the statistics and reliability analysis of GMC Sierra 1500 based on all problems reported for the Sierra 1500. White smoke and/or coolant odor may come from exhaust for an extended period of time at cold start as well. In the past, When it gets close to minus 40 it used to sputter and hesitate just when I first started it but after it hit idle it was o. Unread post by maggiemay » Wed Nov 19, 2014 3:52 pm I have a 2000 GMC Sierra 1500. 90 Ton Capacity, 142' Maximum Main Boom Length, Swing Away Jib, Johnsen Brand 90 Ton Load Block, Enclosed Cab, Air Conditioner, Heater, Hirshmann Load Moment Indicator, Hydraulic Stabilizers, Cummins Engine, 29. Each new part put in, never resolved the problem, so they would put the old part back in. VERY ROUGH IDLE STALLS WHEN PUT IN GEAR. I don't see any applicable technical service bulletins on a. Flatrater: Safari P0306. Now when its cold it runs really rough coughing and sputtering. Hey, I have a 91 mustang GT. It may also Run rough when warm, slight knock, no codes setting. When the engine is started cold, regardless of the outside temperature, the idle is rough and there is a noticable power loss. The most recently reported issues are listed below. Once it warms up runs great and does not do this in warm weather. ) This feature enhances heater. 3 rough idle and dark cold start exhaust. Replaced the fuel pressure regulator, still runs the same and perhaps a little worse. The truck is a 1993 GMC Sierra, short bed, 2WD. No codes were thrown. Check prices & reviews on aftermarket & stock parts for your 2002 Sierra 1500 Fuel Injection Idle Air Control Valve. I also cleaned and oiled my cold air intake filter. 3-liter automatic and 92,000 miles on it. Lots of folks think this is a normal deal for a diesel. At that mileage it is possible a head gasket could be going bad causing the engine cooling system to get air bound. In the winter when I start it it starts fine but idles. 2016 GMC Sierra 1500 SLE The 2016 GMC sierra is the best pickup truck I have owned. I purchased a 2016 Duramax GMC Canyon Crew Cab SLT on June 9, 2016 and it currently has rougly 13,000 miles on it. because the "base radio may not work, preventing audible warnings if the key is in the ignition when the driver's door is opened. Check prices & reviews on aftermarket & stock parts for your 2002 Sierra 1500 Fuel Injection Idle Air Control Valve. 1982 Corvette Collectors Edition Only 12,800mls - Stunning Car details. 3L has been giving a rough idle on cold start only, no drivability issues. The radio may intermittently fail to provide an audio warning when the key has been left in the ignition and the door is opened or when the driver does not fasten their seat belt. The RPMs drop to 500 and bounces to 700 for a few seconds, 5-10 maybe. Aside from high idle issues, low idle and even sporadic stalling can both be attributed to a bad idle control valve. The engine may run rough or idle poorly right after ECU reset. The outcome at this point is the dealership tried to reprogram the vehicle, gm approved replacement of all four tires, a replacement of the power steering pump, wheel bearing on driver front side. Comp Cams Xtreme Camshafts for your 2014-2015 Chevrolet / GMC Truck at RPM Outlet. Idles rough and dies. You work hard to play hard - Rough Country helps you get there!. I recently replaced the fuel filter, spark plugs, plug wires, diz cap, rotor, O2 sensor, HEI module, most vaccuum lines, and i still cant get this thing idling smooth when hot. com Car Forums! Read real discussions on thousands of topics and get your questions answered. chevy forum at Car Dealer Forums; Truck runs great, but recently when the engine comes off the enriching circuit. 3 vortec v-6 Hard To Start. So the past couple months I've noticed my truck has a really rough idle in the mornings when it is cold out, to the point where it has even died before. There are 44 complaints filed for the 2015 GMC SIERRA. 86 gmc pickup with carb smokes when cold start and idles real rough On 1998 GMC 350 Sierra K1500 Idles rough. the lever on yours might also have broken off (or have been removed). It runs great at startup, cold, but after about 30 minutes, idles rough. My truck has been throwing the same code for the last few months. As the name implies, a GMC Sierra 1500 cold air intake help dissipates heat, while ensuring that nothing but cool, clean air reaches the engine. Your complaint will be added to the NHTSA complaints database after a thorough review. The truck runs fine when it is warm, but when it is cold it runs rough, rich and stalls. Upgrade your cooling system today with Cold Case new 2 row 1" fin aluminum radiators. The electrode was burnt and the porcelain broke both times. 7 Vortec - Duration: 2002 Chevrolet Z71 5. Average failure mileage is 7,350 miles. -After completing a timing belt change on 09 EXL the motor has a misfire and runs horribly at idle. I have a 90 Chevy 2500 , 5. Cold weather rough idle. Flatrater: Safari P0306. 2008 Tahoe rough idle cheap simple fix TexasPrepper. Chevrolet/gmc: after cold starting engine and placing in gear, would have a rough idle and/lack of power, momentarily before startup a few minutes later. 4L, I've replaced soo many parts some of them are un-necessary. *Bad Intake Gaskets*- I have a 2002 GMC Sierra 1500 4x4, 110,000 ran great in CA. 2001 GMC Sierra rough idle in extreme cold Discussion in 'Truck & Equipment Repair' started by corey006, Dec 31, 2013. I have changed the idle air valve, the TPS, and the thermostat sensor without any results. Hey, I have a 91 mustang GT. Bank 01 lean and misfire codes only when it was 14 or colder. driving down the road it does fine, never sputters or struggles, but once i stop at a light it starts the rough idle. When the engine is started cold, regardless of the outside temperature, the idle is rough and there is a noticable power loss. Condition: A vehicle may have a concern of DTC P050D setting along with a P0300 after a cold start up. ( I live in MT). Check prices & reviews on aftermarket & stock parts for your 2002 Sierra 1500 Fuel Injection Idle Air Control Valve. GMC: Sierra: 3/1/2011: Engine runs rough. Ask Question Asked 6 years, Browse other questions tagged rough-idle gmc or ask your own question. These problems includes information received by NHTSA from consumers either directly or as recorded by the Vehicle Safety Hotline. Chevrolet: vehicle experience rough idle and vibration at idle in gear. Ive had a slight rough idle since around 500 miles driving the truck with it progressively getting worse over time. 6 liter diesel en. I drive a 2002 Silverado Z71 w/ 5. com : Car complaints, car problems and defect information. I can only notice it when its in gear and i am at a stop. More GMC Sierra Engine Service. The largest recall involves 69,500 2014 Chevrolet Silverado LD, 2014 GMC Sierra LD and 2015 Silverado HD, Tahoe and Suburban and 2015 GMC Sierra HD and Yukon and Yukon XL models worldwide, 57,512 in the U. Reduced Engine Power Message, surging idle; Service battery charging system message; Service bulletin for P1400 or P0116 on GM; Service Stability C0710 C0455; Stabilitrack light on; Sierra. it starts to bog down new fuel filter same result the fuel pump whines all the time but only runs 2 -4 sec. Below is a list of complaints & problems filed against the 2015 GMC SIERRA. Replaced them and runs fine in cold weather. driving down the road it does fine, never sputters or struggles, but once i stop at a light it starts the rough idle. These problems includes information received by NHTSA from consumers either directly or as recorded by the Vehicle Safety Hotline. The rough idle really isn't that bad. It usually starts on second try, misses and backfires, rough idle at start. My car has 99000 miles. 1993 GMC Sierra 6. com FREE DELIVERY possible on eligible purchases. -After completing a timing belt change on 09 EXL the motor has a misfire and runs horribly at idle. Read more General Motors reviews to learn about other models. Engine drivability strategy is much different under cold start conditions. 2007 GMC Yukon rough idle. 3L at idle it will almost stall out then pick up to 1000 rpm then drop to 500 to idle, on the highway it feels like the engine just cuts right out then back in most of the time its just quick jerks but sometimes it will lag for more than 3 seconds and you have to floor it to get it to stop it keeps getting worse i have replaced the plugs and. Hey, I have a 91 mustang GT. The idle speed of an engine is basically the rotational speed the engine runs on when it is un-coupled from the drive train and the throttle pedal is not being depressed. 2014 Chevy, GMC Pickups Recalled For Cylinder-Deactivation Issue are being left to idle longer than. ROUGH IDLE, STALLS, ENGINE. Engine light is on and have rough idle. Also, whenever I come to a stop, the RPMs run so low that sometimes my truck stalls if I don't rev the engine a little while I have the brakes applied. GM is aware since they issued a TSB about it PIP3232B Dealer wanted $700 to replace it. A software glitch could cause Chevrolet Silverado and GMC Sierra pickups to overheat. Chevy Silverado and. My truck has been throwing the same code for the last few months. i spy the fast-idle cable in the second pic. GMC Sierra 2007, Aluminum Performance Radiator by Cold Case®. GMC > 2001 > SIERRA 2500 > 6. ALso had vehicle flood itself with when starting,. A software glitch could cause Chevrolet Silverado and GMC Sierra pickups to overheat. If you have the throttle just barely open it will smooth out until it upshifts then it does it again until the rpms build. While some cases are less severe than others, a rough idle is usually identifiable by a shaking and bouncing sensation in the vehicle. GMC Sierra 1500. Get the best deals on Air Intake & Fuel Delivery Parts for GMC Sierra 1500 when you New Idle Air Control Valve IAC 2014-2018 GM 1500 5. Rough Running Only When Cold - Chevrolet / GMC 5. Compare 2002 GMC Sierra 1500 Fuel Injection Idle Air Control Valve brands. Definitely seems like the timing is out of wack until it warms up. Elevated Idle/Exhaust Restrictor The engine has a cold temperature high idle and exhaust restrictor feature which elevates the engines idle speed from 680 to 1200 rpms, and restricts the exhaust gas flow, when outside temperatures are below 32°F (0°C), and the engine coolant temperature is below 150°F (65°C. Flatrater: Safari P0306. Get the best free shipping; exchange program anywhere, and lowest prices -- guaranteed. Recently my 5. 2007 GMC Yukon rough idle. No obvious rough idle though. asked by Van not blowing hot or cold air 2006 Chrysler. Hey, I have a 91 mustang GT. If the PCM receives an inaccurate engine temperature signal at cold start-up, a rough idle may be created from insufficient fuel delivery or improper timing advance. It runs fine under load, it's just at an idle. TSB: 19-2052 - 2019 Ranger - Engine Cold Start Runs Rough / Rough Shifting Transmission Some 2019 Ranger vehicles built on or before 11-Feb-2019 may exhibit a rough, excessive fast idle and/or a rough shifting transmission condition when the engine is cold. Our initial drive in GMC's updated 2017 Sierra 2500HD and 3500HD pickups, which pack up to 445 horses and 910 lb-ft of torque. If the engine runs for less than 1 or 2 seconds, dies, and restarts immediately then the problem is usually too low of an idle speed, no cold start fast idle, or incorrect timing. 2000 GMC Sierra 2500, Non HD 4x, 4L80e close to 200k Lots of HWY miles. 3L V8 Crew Cab Pickup (4 Door). It has 175,000 miles on it,1000 miles on intake gasket job, hoped that would the fix rough idle. The idle speed of an engine is basically the rotational speed the engine runs on when it is un-coupled from the drive train and the throttle pedal is not being depressed. 3 v8 p0507 Post by kev2 » Sun Jun 01, 2014 4:17 pm The trouble tree for the p0507 starts as I posted - with scanner can you adjust the RPM- basically the step is to determine if PCM is driving the IAC OR something else is contributing to idle discrepancy. If driven immediately, on takeoff the vehicle hestitates heavily and then takes off. The largest recall involves 69,500 2014 Chevrolet Silverado LD, 2014 GMC Sierra LD and 2015 Silverado HD, Tahoe and Suburban and 2015 GMC Sierra HD and Yukon and Yukon XL models worldwide, 57,512 in the U. Cold Engine Enrichment A common complaint, especially when temperature start to drop is, "My car runs poorly cold, or my car is hard to start cold". In cold weather my 2000 sierra starts, reves up idles back down to rough idle and continues to do so for about a minute. 8L Poor Idle Quality, Misfire Posted to GM Driveability on 1/3/2007 22 Replies This one came in with a rough unstable idle complaint. 2014-2018 GMC Sierra 1500 2015-2018 GMC Yukon Condition: A vehicle may have a concern of DTC P050D setting along with a P0300 after a cold start up. Maintenance/Repairs. 3 ) It also starts and idles fine , even in cold weather but after 6 - 8 miles. o2 sensor code 44 (lean) Replaced: coolant temp sensor, tps, map sensor, fuel filter, and o2 sensor. If the car starts when cold but, idles rough or does not want to stay running, this can indicate a problem with the engine temperature sensor. 3, Only rough when Cold. After all was complete I started the car up and the idle was a little rough after. can 02 sensors cause rough idle even at startup? I have a really rough/missfiring idle, it seems to go away over 1500 RPM, but the car idles terribly at startup and gets no better when it is up to temp, it is bad enough to cause it to occasionally stall. 2l New Air - $45. But the letter said not to actually take the truck in unless I thought it was a problem. I let my 2010 Acadia with 94K miles get to about 1/8 a tank of gas. Auto Clinic: GMC Jimmy Rough Idle, ABS Explained, Eliminating Spark Knocking, Chevy Silverado Fast Idle, Buick Regal Hesitating, A/C Fan Not Working Oct 1, 2009 Senior Editor Mike Allen answers. It is normal for a GMC Sierra to idle fast when it is first started. 2004 GMC Sierra 1500 SLE 4. 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 4 years, 10 months ago. 1997 Mercury grand marquis random stalling and rough idle hard starting gmc sierra. The high idle system will reactivate automatically when the following conditions occur: The engine has been idling for more than 30 seconds. One of the most common problems is likely a rough running or poorly idling engine. I have changed the O2 sensor,throttle positioning sensor,MAP sensor,idle air control valve,fuel pressure regulator,plugs,wires,cap,ro I have a 2002 GMC Sierra 1500HD 4x4 4 door crew with the 6. I drive a 2002 Silverado Z71 w/ 5. The GMC Sierra is a full-size, heavy-duty pickup truck. Technical service bulletins issued by the NHTSA for the 2001 GMC Sierra. my question is will a combination of a toque converter out of a v6 700r4 stall be too low (1000-1100) a oem alternator from 3. Lots of folks think this is a normal deal for a diesel. 2L V8 Rough. I have never replaced it and the truck has 230,000 on it. There are a wide-array of 2007-2013 GMC Sierra 1500 Parts available in the aftermarket that you can find right here at AmericanTrucks, that will allow you to completely. We offer vehicle-specific IAC valves designed with your make and model in mind, whether you're looking for an idle air control valve for Nissan Altima or a Ford Focus idle air valve. justin, look for a lever on the back side of the left pod, far left side. 0L V8 Oem Fit IAC234: Idle Air Control Valves - Amazon. Ok here is the deal. It has all of the obvious luxuries, AC, PS and etc. Price: Alternate: No parts for vehicles in selected markets. Below is a list of complaints & problems filed against the 2015 GMC SIERRA. Learn what does P050d Chevrolet Cold Start Rough Idle means, location and how to repair? During a cold start, the Engine Control Module (ECM) commands dual-pulse mode during Open Loop operation to improve cold start emissions. It smells like raw gas, smokes, and has no power to get started from a stop. ( I live in MT). ckcarr is right, just ride off and it should be warm enough to idle by the time you go a few blocks. Typically this occurs during cold winter months, on cold engine starts. 2001 Chevy 1500 4. 3l 323 cid with 103,000 miles. 1999 GMC Sierra 1500 serieson startup engine surges up & down to the point of almost shutting off. 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. Very rough idle at cold start sometimes dies. After doing the tune up I was still getting a rough/surging idle and it would stall out sometimes. I also cleaned and oiled my cold air intake filter. No obvious rough idle though. 2015 GMC Sierra Engine Technical Service Bulletins (TSBs). tuned up - fuel pressure good - Answered by a verified Chevy Mechanic We use cookies to give you the best possible experience on our website. Let the people with 12+ years of experience in finding and buying car parts help you find the best Mass Air Flow Sensor for your GMC Sierra 1500. driving down the road it does fine, never sputters or struggles, but once i stop at a light it starts the rough idle. com Rough idle in cold weather 14 Answers. 3-liter automatic and 92,000 miles on it. You can also file your complaint online by clicking here. The EMS constantly monitors the number of pulses on the signal circuit. Replace the cranckshaft & camshaft sensors (myself) 3. Cold Engine Enrichment A common complaint, especially when temperature start to drop is, "My car runs poorly cold, or my car is hard to start cold". Turns out it was the map. 2014 Chevy, GMC Pickups Recalled For Cylinder-Deactivation Issue are being left to idle longer than. It has 212,000 miles on it, a 305 TBI, and a manual five speed. Replaced the fuel pressure regulator, still runs the same and perhaps a little worse. Flatrater: Safari P0306. I just did a quick check and your idle is factory set over 600rpm except for when your motor is pushing 200* and in gear and it's still set to 584* so you should not be seeing a reading of less than 600rpm in park or neutral and on a cold start it should be around 700 maybe a little higher depending how cold it is. I changed out the spark plugs recently. Engine: 8 Optional Equipment Fog Lights Traction Control Power Mirrors Power Windows Air Conditioning Cruise Control Power Steering Tachometer Telescoping Steering Wheel Trip Odometer Daytime Running Lights Running Boards Trailer. Rough Running Only When Cold - Chevrolet / GMC 5. The most recently reported issues are listed below. Compare 2002 GMC Sierra 1500 Fuel Injection Idle Air Control Valve brands. 8L and when its cold the first start of the day it starts up and idles high when you first start it like it supposed to and then once it warms up a little bit and idles down it acts like it wants to stall or rough idle. 5-25 Tires, Spare Parts. what is your idle when fully warm?. chevy forum at Car Dealer Forums; Truck runs great, but recently when the engine comes off the enriching circuit. With Rough Country Suspension Systems, you get it ALL: unbeatable service, high-quality off-road products, a lifetime warranty, and rock bottom prices. I just did a quick check and your idle is factory set over 600rpm except for when your motor is pushing 200* and in gear and it's still set to 584* so you should not be seeing a reading of less than 600rpm in park or neutral and on a cold start it should be around 700 maybe a little higher depending how cold it is. What would be the cause of rough idle and dying on a 1987 gmc truck? if its not reading the correct coolant temp it will affect cold. Messages: 8. Bank 01 lean and misfire codes only when it was 14 or colder. South Main Auto Repair LLC 183,745 views. Camshaft sensor low voltage operation Engine Management Systems (EMS) use the camshaft position sensor to manage sequential fuel injection and as part of misfire diagnosis. 3 rough idle Drill the bolt enough to get an extractor to bight, or weld a piece of stock onto it and use the stock to back the bolt out. 3L V8 Engine and Drivetrain > OEM Issues [SOLVED] 5. Replied by jshoup on topic 04 chevy silverado with 5. Never even changed the brakes. Well I went to work and plugged in and at end of shift it started but idle was all over the place surging, and then almost stalling lights going dimI was able to get home and diagnosed a bad battery. An ECT sensor code may also be stored. Rough idle in cold weather 14 Answers In cold weather my 2000 sierra starts, reves up idles back down to rough idle and continues to do so for about a minute. Did you ever find a cause for this? I have a 2015 GMC Sierra 1500 with 103k miles on it. my truck does something similar. Overall it has been a good truck and plan to keep it another 3-5 years. when i put it in park or nuetral it idle up but it still lopes. I had the codes ran and mine read that my MAP sensor was failing, so I took it by the mechanic and had it replaced today. Rough Running Only When Cold - Chevrolet / GMC 5. Condition: A vehicle may have a concern of DTC P050D setting along with a P0300 after a cold start up.