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2001 Silverado 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 Jim01 New User Feb 19, 2013, 2:34 PM Post #1 of 3 (1951 views) 2001 Silverado rough idle Sign In 2001 Chevy Silverado, 4.8, 125k Engine idles very rough and slow upon start when temps are in 30's and below. Runs great after a few minutes. 2 mechanics have been unable to pinpoint problem. Engine code reads "Lean Bank" and will not reset. I have replaced Fuel pump and filter, MAF, wires and plugs, all 4 o2 sensors. Throttle body butterfly is clean and the intake is not leaking. Thanks for any help!!! Hammer Time Ultimate Carjunky / Moderator Feb 19, 2013, 3:08 PM Post #2 of 3 (1935 views) Re: 2001 Silverado rough idle Sign In A smoke test may be what it's going to take to find any vacuum leaks. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional. Jim01 New User Feb 19, 2013, 5:09 PM Post #3 of 3 (1911 views) Re: 2001 Silverado rough idle Sign In Thanks, never accured to me. I will go that direction.   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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