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GM DIS ICM
Posted to Technical Discussion Forum on 8/9/2010 12 Replies

Would a GM ignition control module on the above vehicle create spark in base timing if the PCM is bad?

Background: Crank, no start. Has fuel pressure. Scan data shows 9999 RPMs at all times. CKP sensor waveform looks good while cranking compared to example i... Login to read more.

12 Replies Received (View Replies)

 

car Vehicle Data

1988 Oldsmobile Cutlass Supreme 2.8L

Engine2.8 L
Trans4-speed Automatic (Electronic)

car Vehicle Data

1988 Oldsmobile Cutlass Supreme 2.8L

Engine2.8 L
Trans4-speed Automatic (Electronic)