
2001 Jeep Grand Cherokee Limited 4.7L MIL Lamp on
After installing a remanufactured engine we now have a code P1391 that we can not get rid of. It has no drivability problems. We have checked everything. Tried a Napa cam sensor and it will not run on it. tried a cam sensor from another vehicle with the same c...
FIX posted 8/24/2007
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Message Closed w/FIX
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VIN | 1J4GW58NX1 |
Engine | 4.7 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI / SEFI |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Always |
Trouble Codes
P1391 | CKP Or CMP Sensor Signal Intermittent |
Message Closed w/FIX
Vehicle Data
2001 Jeep Grand Cherokee Limited
VIN | 1J4GW58NX1 |
Engine | 4.7 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI / SEFI |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Always |
Trouble Codes
P1391 | CKP Or CMP Sensor Signal Intermittent |