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1997 Jeep Cherokee SE 4.0L MIL Lamp on
Truck came in with an illuminated mil light. Checked for codes and got P1398. Diagnostic tree had check wiring and condition of crank sensor. Power and ground at crank sensor looked ok, but the crank signal when viewed on a Vantage looked like a poor squar...
FIX posted 10/22/1999
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Message Closed
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| VIN | 1J4FJ28S9V |
| Engine | 4.0 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
Trouble Codes
| P1398 | Misfire Adaptive Numerator At Limit |
Message Closed
Vehicle Data
1997 Jeep Cherokee SE
| VIN | 1J4FJ28S9V |
| Engine | 4.0 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
Trouble Codes
| P1398 | Misfire Adaptive Numerator At Limit |
Video