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1997 Jeep Cherokee Sport 4.0L MIL Lamp on
Yes here is another JEEP with a code P1391, Intermittent loss of ckp/cmp. Has new Mopar Sensors (a couple times), timing chain slack less than 1.5 degrees, I did go through Iatn and checked tech mails, performed cam/crank sensor sync, with no help. wiggle test...
FIX posted 10/15/2007
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Message Closed w/FIX
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5 Replies Received
5 Replies Received
Related Documents & Media | VIN | 1J4FJ68S3V |
| Engine | 4.0 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Intermittently |
Trouble Codes
| P1391 | CKP Or CMP Sensor Signal Intermittent |
Message Closed w/FIX
Vehicle Data
1997 Jeep Cherokee Sport
| VIN | 1J4FJ68S3V |
| Engine | 4.0 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Intermittently |
Trouble Codes
| P1391 | CKP Or CMP Sensor Signal Intermittent |
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