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International Automotive Technicians Network
Re: 1993 C60 runs bad sometimes
Posted to HD/Fleet Forum on 9/16/2013

Ted

I had issues with a poor performing GM PU years ago turned out some tech had wrapped the knock sensor wiring around the large starter wire. Unwrapped the wiring and all was well. Another time found a knock wire repair crimping the shield with the center ... Login to read more.