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P1391 Diagnostic Trouble Code Discussion for July 2007

CKP Or CMP Sensor Signal Intermittent

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Trouble Ticket Help Requests for DTC P1391
Help Request Posted
1999 Dodge Durango SLT 5.9L Cuts out, MIL Lamp on VIN: 1B4HS28Z2X
P1391: CKP Or CMP Sensor Signal Intermittent. ... is kicking in when you hit 3400 rpm. When probelm happens tach flunctuates up to max reading, but rpm is still at 3400. Idles smooth and accelerates strong up to 3400 rpm. Intermittently the check engine light will come on and set code P1391 ( Intermittent...
July 13, 2007