P1391 Diagnostic Trouble Code Discussion for March 2018
CKP Or CMP Sensor Signal Intermittent
Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.Trouble Ticket Help Requests for DTC P1391
| Help Request | Posted | |
| 2002 Jeep Grand Cherokee Laredo 4.0L MIL Lamp on VIN: 1J4GX48S92 P1391: CKP Or CMP Sensor Signal Intermittent. Kept getting code p1391. All wires to cam sensor are ok. Misfire felt when cold |
March 13, 2018 |
