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Search Auto Parts Search fuel problem 91 gmc Sign up here!   Email This Post Auto Repair Home>> Truck Repair>> Truck Repair Advice riverdog New User Sep 4, 2008, 12:56 PM Post #1 of 3 (3333 views) fuel problem 91 gmc Sign In I have a 1991 gmc truck with 5.7 throttle body injection. The problem is when I pour gas in carb the engine will run till that gas is gone. I have checked the pump and filter and they are fine. The line to carb is clear. I think it is something electronic. It sometimes starts then will just quit in a short time. Any ideas on troubleshooting and repair. Thank you!!! (This post was edited by riverdog on Sep 4, 2008, 2:36 PM) way2old Veteran / Moderator Sep 4, 2008, 1:20 PM Post #2 of 3 (3327 views) Re: fuel problem 91 gmc Sign In Have you checked the fuses? There are 2 that are marked ECM1 and ECM2. Being way2old is why I need help from younger minds riverdog New User Sep 4, 2008, 2:32 PM Post #3 of 3 (3325 views) Re: fuel problem 91 gmc Sign In Yes I have thank you. It starts once in awhile then dies.   Email This Post   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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