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Automotive Repair Car Troubleshooting Topics   Car Troubleshooting   Engine Troubleshooting   Engine Fault Codes   Electrical and Wiring   Transmission Problems Car Repair Topics   Car Making Noises   Car Stereo Repair   Heating or AC Issues   Motorcycles and ATVs   Tricks of the Trade   Truck Repair Advice Site Options:      Login   Sign up here! Latest Forum Post   Car stalling problem My 2013 hyundai started losing power whe...   2018 Kia soul. Knocking while accelerating. Hello, my 2018 Kia soul started making t...     2005 Buick Lesabre surging My 2005 Buick Lesabre runs good & th... Misfire on coil E I am new to this forum. I haven't figure...   Having trouble at freeway speeds It's a 2002 Nissan Sentra 1.8L Automatic...     Annoying shaking during deceleration Hi fellow enthousiasts! The car is a 20...   Shop says they want to bleed my brakes for a clutch job? I took my Toyota pickup in for a clutch ...   p119f22 ‘Deterioration of the engine oil’ - 2017 Peugeot Boxer Euro 6 2.0 Blue HDi Hey guys I’m looking for some advice. ...   Drive Shaft Repair I have a 2015 Chevy Traverse AWD. The fr...   2006 Toyoto Camry XLE Driver Side Electric Window Trouble Hello, Looking for a little brain help ...

rough idle Sign up here! Search this forum this category all forums for All words Any words Whole Phrase (search options) Auto Repair Home>> Automotive Repair>> Engine Troubleshooting racer2 Novice Jan 21, 2009, 7:30 PM Post #1 of 4 (1307 views) rough idle Sign In 2002 chevy tahoe 4.8 motor durring cold weather when you first start it it want idle at all loads up blowes black smoke out tail pipe after it warms up it will idle but rough now it has started surging when driving. thanks Loren Champlain Sr Veteran / Moderator Jan 21, 2009, 7:39 PM Post #2 of 4 (1306 views) Re: rough idle Sign In Black smoke; Obviously over-fueling. CEL should be illuminated? Several causes. CTS very common failure. Loren SW Washington racer2 Novice Jan 21, 2009, 7:51 PM Post #3 of 4 (1303 views) Re: rough idle Sign In the check light comes on but goes off after a few min i cant check codes for some reason the dealer cant figure out why you cant get the codes what is the part you mentioned Loren Champlain Sr Veteran / Moderator Jan 21, 2009, 8:08 PM Post #4 of 4 (1297 views) Re: rough idle Sign In The dealer can't retrieve the codes? Hmmmmm. The CTS is the coolant temp sensor. GMs default to -41F when they take a dump. This tells the computer that you are in Fairbanks in February, so it dumps fuel. This is only a guess. As I said, there are other causes. Fuel injection leaks into the plenum, MAP sensor, weak secondary ignition. Loren SW Washington   Automotive Repair     Auto Body Repair and Refinishing     Heating or AC Issues     Electrical and Wiring     Brake Systems     Car Stereo Repair Advice     General Discussions     Car Making Funny Noises     Engine Fault Codes     Engine Troubles     Exhaust Systems     Steering and Suspension     Transmission Troubles     Tricks of the Trade Automotive World     General Discussions     Antique Car Talk     Car Shows and Events     The Bargin Bin     Motor Vehicle Inspection     Car Care Tips     Traffic Tickets     Gasoline, Motor Oils, Concept Cars and Engines     Auto Insurance, Financing, Leases, Warranties Truck Repair     General Discussions     Truck Engine Repair     Truck Suspension Repair Motorcycle Repair     General Discussions     Motorcycle Engine Repair CarJunky     Open Posting     Board FAQ's     New Board Suggestions

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