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International Automotive Technicians Network
Re: Intermittent Dying Olds 3800
Posted to Technical Discussion Forum on 7/31/1998

Hi Scott,

I thought for sure it was either the ICM or the CKP that was bad. By looking at especially this image it looks like the coil firing is pulling the signal down.

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This image also seems to show this happening but it also looks like excessive ... Login to read more.