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check engine light Sign up here! Search this forum this category all forums for All words Any words Whole Phrase (search options) Auto Repair Home>> Automotive Repair>> Automotive Wiring and Electrical niteline New User Mar 10, 2009, 7:03 PM Post #1 of 3 (1537 views) check engine light Sign In I have a 06 chevy 3500 silverado with a duramax diesel, has 78,000 miles & ran perfect until the check engine light came on. it ran a little rough so I took it to the dealer they said it was the egr valve. they replaced it & the truck ran fine for a few days then the check engine came on again, took it back to the dealer. now they said the computer is the problem & needs to be replaced. truck ran fine for a week, then the fuel gauge would drop to empty with the light on. back to the dealer & they said its the fuel transfer sensor that was bad. they replaced it & again the truck ran fine but for only 3 days until that light came on again & back to the dealer now they tell me the cam shaft sensor is the problem. replaced that & it ran great but only for a week, went out to start it today & oh yes the check engine light came on again & this time I drove to auto zone & they checked out the codes & it came up ECM failure....its back to the dealer & they are not sure whats wrong with it now....PLEASE HELP !!! TenLetters New User Mar 18, 2009, 7:08 PM Post #2 of 3 (1518 views) Re: check engine light Sign In well ecm is engine control modules , check the owners manual for location of the ECM in your particular vehicle check the wire harness and connections make sure PROM pins in the connectors arent bent or broken off if so get that replaced. never have any power on to the vehicle when working on the ecm maybe the ECM fuse also niteline New User Mar 19, 2009, 5:00 PM Post #3 of 3 (1512 views) Re: check engine light Sign In thanks for the reply tenletters...I took it to the dealer & they said it was the fuel injectors causing a short...this was a $6,000.00 repair !! have'nt run the truck yet, just hope it solved this mess...thanks again   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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