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P1391 Diagnostic Trouble Code Discussion for September 2005

CKP Or CMP Sensor Signal Intermittent

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Trouble Ticket Help Requests for DTC P1391
Help Request Posted
1999 Dodge Intrepid 2.7L Stall, MIL Lamp on VIN: 2B3HD46R7X
P1391: CKP Or CMP Sensor Signal Intermittent. ... and on the next restart, the check engine light is on and a code P1391 is present. We clear the code and within a half-hour the same thing occurs again. According to Alldata, this code is for intermittent loss of Camshaft Position Sensor Signal or Cranksha...
September 13, 2005
1996 Dodge Ram 1500 5.2L MIL Lamp on VIN: 3B7HF13YIT
P1391: intermittent Cmp or Ckp. ... out. It is a well used high mileage truck. The mil stays on, but the owner says it runs ok however, I just noticed today a slight miss when reving the engine from idle to around 2000. The code P1391 indicates a intermittent loss of cmp or ckp signal and is...
September 30, 2005