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Re: False CMP code
Posted to Technical Discussion Forum on 4/30/2009 7 Replies

Your symptom and DTC are symptomatic of a bum CMP (which you've replaced) or a wiring issue.

I'd look at the CMP signal with a scope at the PCM and synch off of ignition or the CKP. If the CMP is dropping out and you're only looking at that waveform you may ... Login to read more.

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