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P1391 Diagnostic Trouble Code Discussion for February 2010

CKP Or CMP Sensor Signal Intermittent

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Trouble Ticket Help Requests for DTC P1391
Help Request Posted
2001 Dodge Durango 4.7L No Start VIN: 1B4HR28N21
P1391: CKP Or CMP Sensor Signal Intermittent. We changed engines in this vehicle, installed a 2002 durango engine, all sensors and wiring harness identical. Changed crank and cam sensors no difference. put sensors from original engine, no change.
February 09, 2010