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P1391 Diagnostic Trouble Code Discussion for December 2013

CKP Or CMP Sensor Signal Intermittent

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Trouble Ticket Help Requests for DTC P1391
Help Request Posted
2002 Dodge Dakota 4.7L Hesitation
P1391: CKP Or CMP Sensor Signal Intermittent. ... advance. this truck came in with p1391 loss of cam or crank signal and the vehicle cuts out intermittently. the code sets right away even when running good. I have intstalled both oe cam and crank sensors with no help the scan data says sync ok and sensors...
December 10, 2013
2002 Dodge Ram 2500 5.9L Excessive Emissions, Stall, Misfire VIN: 3B7KF26Z02
P1391: cam/crank sensor. if truck is left outside over night runs great if left in the shop runs very poor backfires through intake and exhaust the rpms on the tach and scan tool go from 350 up to 3000 but the engine doesnt actually go up or down if its cold runs great the ect sensor ...
December 19, 2013