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Re: I need help with these wave forms please
Posted to Technical Theory Forum on 6/24/2007 1 Reply

i was looking at your PIP signal and noticing it drops out. If ti drops below the ECM triggering threshold you will get a miss from both spark and fuel (2 different cylinders) I had this once and it turned out to be a faulty internal ecm ground for the ign mod... Login to read more.

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