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International Automotive Technicians Network
Re: Dizzying Deville misfire
Posted to Technical Discussion Forum on 11/14/2007 2 Replies

Do you understand how the ignition system on this car works?

If it's anything like the 96-97 models, the 2 crank sensors are inputs to ICM. ICM then generates RPM ref (dist ref in the old days) to PCM, ICM keeps track of which coil to fire and ICM will adjus... Login to read more.

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