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Re: 1990 Lumina No Start
Posted to Technical Discussion Forum on 1/13/2003 5 Replies

Hi Marlin,

Thanks for posting the fix. I think all along we were wanting to see that CKP sync pulse. This is the determining factor in the sequencing of the coil firing. The ICM will trigger on the upward rise of the sync pulse. When the wires are crossed, t... Login to read more.

5 Replies Received (View Replies)