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International Automotive Technicians Network
Re: Quad 4 ? 3? 2? 1989 Grand Am
Posted to Technical Discussion Forum on 3/10/2002 8 Replies

[...trimmed text...]

I'll take a shot at this.

If the power supply to the ICM and the injectors are on the same [...] the Shorted injector fires it disrupts the ICM control of that coil,1 and 4. It would be nice to see ... Login to read more.

8 Replies Received (View Replies)