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P1391 Diagnostic Trouble Code Discussion for September 2014

CKP Or CMP Sensor Signal Intermittent

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Trouble Ticket Help Requests for DTC P1391
Help Request Posted
1998 Plymouth Breeze 2.0L No Start, Hesitation, Stall, MIL Lamp on VIN: 1P3EJ46C7W
P1391: cam crank loss signal. ... going off, but thats not what its in for its in because of a p1391 code and some times a p0117 code. some times it will not start, have to crank for long time. other times it runs fine for a min or two then dies. I have note...
September 08, 2014
1999 Dodge Durango SLT 5.2L Poor Idle Quality, Hesitation, Surge, Cuts out VIN: 1B4HS28Y8X
P1391: CKP Or CMP Sensor Signal Intermittent. Engine runs fine when started cold and in cooler ambient temperatures (below about 75 or 80 degrees F). Symptoms start once run in warmer weather. Starts by surging and cutting out on moderate acceleration, when it surges the engine pings briefly (about a seco...
September 17, 2014