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P1391 Diagnostic Trouble Code Discussion for November 2010

CKP Or CMP Sensor Signal Intermittent


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Trouble Ticket Help Requests for DTC P1391
Help Request Posted
1998 Dodge Ram 1500 Truck 5.2L Poor Idle Quality, Hesitation, Misfire, Poor Fuel Economy VIN: 3B7HF12Y2W
P1391: CKP Or CMP Sensor Signal Intermittent. truck ran fine when it came into shop...replaced flywheel with factory flywheel..Broke crk sensor,so replaced it with factory sensor..Doubled check sensor because this is a standard & takes a different sensor..Truck fires up right away but has a bad misfir...
November 08, 2010
1998 Dodge Ram 1500 Truck 5.2L Poor Idle Quality, Hesitation, Misfire, Poor Fuel Economy VIN: 3B7HF12Y2W
P1391: CKP Or CMP Sensor Signal Intermittent. truck ran fine when it came into shop...replaced flywheel with factory flywheel..Broke crk sensor,so replaced it with factory sensor..Doubled check sensor because this is a standard & takes a different sensor..Truck fires up right away but has a bad misfir...
November 08, 2010