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Prev Professional Automotive Repair Technical Discussions for July 13, 2013
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Open Help Requests for GM
Help Request Answers
2004 Chevrolet Express 3500 6.0L MIL Lamp on VIN: 1GBHG31U64
Vehicle came in running very rough at idle with check engine light blinking on and off. Customer states has no power on accel after warm up. I performed a cylinder balance test all cylinders appear to be firing. Listen to injectors with chassis ears and all so... Trouble codes: P0174 (Lean condition bank 2/ average long term fuel trim above 25)
1992 Oldsmobile Cutlass Ciera 3.3L Horn VIN: 1G3AL54N6N
I have no power to both horns.the fuse is good.no clicking from relay heard when pressing horn pad on steering wheel,so i figured i'm replacing the relay.problem is,i cannot locate it!i've been under the dash for awhile on the right side"convenience"center tha...

Fixes & Summaries for GM
Fix/Summary Answers
1996 Cadillac DeVille 4.6L Maxi Fuse VIN: 1G6KD52Y5T
Started doing wiggle test on engine harnesses . Found Positive battery cable had an extender for a no longer connected subwoofer cable. Vehicle has 2 factory positive cables , one was tight between battery and extender, the other was connected to the other en...
1994 Chevrolet Corvette 5.7L No Start VIN: 1G1YY22P1R
It is fixed. Jerry from Georgia was on the right track. The wires from the 4 terminal connector on the rt side to the distributor were damaged. I ohm tested them and they were fine but I didn't cross check them. The plastic conduit on the wires looked fine but...
2004 Chevrolet Silverado 2500 HD LT 6.6L tube VIN: 1GCHK29144
I appreciate the replies and from the responses I am guessing that I have an injector starting to fail. I cannot determine which one it is as the problem is very intermittent and I have no injector pressure testing unit here. the engine does not appear to ha...
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