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International Automotive Technicians Network
Re: Crazy Quad 4 91 Grand Prix Help!
Posted to Technical Discussion Forum on 2/14/1999

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Have you done a backprobe or load test on the power and ground to the module? That's where I would start. (ICM) If your inputs to your PCM are not good, then fix that first. Computers work like a sewe... Login to read more.