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Re: 1990 chevy Lumina, still no start.
Posted to Technical Discussion Forum on 1/9/2003

Wow.... you took the scenic route (bg)

Anyway, coil sequencing is done by the ICM based on the signal from the 7x CKP signal. It sounds like you have a good ICM, CKP, and wiring.

I think what happened is that you originally had a simple problem (wasted CKP... Login to read more.