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2002 dodge ram 1500 3.7 lit engine 2 WD
Vehicle: 2002 dodge ram 1500 3.7 lit 2WD

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P1391 Intermittent loss of CMP or CKP

This type of code it would be nice to say it is either the CMP sensor or the CKP sensor, You can replace the CKP and the CMP that's the best approach, when it comes to this code its the ECM that is at fault

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asked Jan 3, 2018 by

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