P1391 Diagnostic Trouble Code Discussion for November 2012
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 | |
| 2000 Jeep Grand Cherokee Limited 4.7L Surge, Cuts out, MIL Lamp on VIN: 1J4GW58N1Y P1391: CKP Or CMP Sensor Signal Intermittent. ... light complaint and runs rough. The code is a p1391(int. loss of cam or crank sig). The customer had already tried installing a cam sensor and it didnt fix the problem. We have tried both a cam and crank sensor in it with no solution. The waveforms look go... |
November 28, 2012 |
