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P1391 Diagnostic Trouble Code Discussion for July 2011

CKP Or CMP Sensor Signal Intermittent


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Trouble Ticket Help Requests for DTC P1391
Help Request Posted
2000 Dodge Intrepid 2.7L No Start VIN: 2B3HD46R6Y
P1391: CKP Or CMP Sensor Signal Intermittent. This is my wife's car and this morning it just quit on her. I scanned it, found the code for cmp/crnk sensor and was getting no sync signal. Unplugged the cam sensor and the car started up so we drove it home. I've tested the wiring between the cam sensor and ...
July 16, 2011
2000 Jeep Cherokee Classic 4.0L Misfire, MIL Lamp on VIN: 1J4FF48S4Y
P1391: CKP Or CMP Sensor Signal Intermittent. Ign coil replaced at different shop for intermittent misfire. Still had intermittent misfire. When misfire starts and ignition is turned off and restarted misfire goes away. Misfire will come back at any time. Can not find any bad wires and everything test ok....
July 20, 2011
2000 Dodge Intrepid 2.7L No Start VIN: 2B3HD46R6Y
P1391: CKP Or CMP Sensor Signal Intermittent. This is my wife's car and this morning it just quit on her. I scanned it, found the code for cmp/crnk sensor and was getting no sync signal. Unplugged the cam sensor and the car started up so we drove it home. I've tested the wiring between the cam sensor and ...
July 24, 2011
2000 Dodge Intrepid 2.7L No Start VIN: 2B3HD46R6Y
P1391: CKP Or CMP Sensor Signal Intermittent. This is my wife's car and this morning it just quit on her. I scanned it, found the code for cmp/crnk sensor and was getting no sync signal. Unplugged the cam sensor and the car started up so we drove it home. I've tested the wiring between the cam sensor and ...
July 16, 2011
2000 Jeep Cherokee Classic 4.0L Misfire, MIL Lamp on VIN: 1J4FF48S4Y
P1391: CKP Or CMP Sensor Signal Intermittent. Ign coil replaced at different shop for intermittent misfire. Still had intermittent misfire. When misfire starts and ignition is turned off and restarted misfire goes away. Misfire will come back at any time. Can not find any bad wires and everything test ok....
July 20, 2011
2000 Dodge Intrepid 2.7L No Start VIN: 2B3HD46R6Y
P1391: CKP Or CMP Sensor Signal Intermittent. This is my wife's car and this morning it just quit on her. I scanned it, found the code for cmp/crnk sensor and was getting no sync signal. Unplugged the cam sensor and the car started up so we drove it home. I've tested the wiring between the cam sensor and ...
July 24, 2011