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Re: P1391 Intermittent loss of CMP or CKP
Posted to Technical Discussion Forum on 8/4/2009

I have a question. Could a synch problem cause this "intermittent " code? If ecm looses cam sensor signal will engine still run? Are cam and crank signals the same for this engine and engine that was removed?

I was resently working on two chrystler minivans.... Login to read more.