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2018 Jeep Wrangler JK Rubicon 3.6L Misfire, MIL Lamp on
Jeep came back today with the same misfire on cylinder one, did not follow the coil. Changed the spark plug today but misfire is still there. Always used OE spark plugs and the the ones I took out looked fine. I did a wiggle test on primary coil wires on c...
FIX posted 11/29/2022
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Related Documents & Media | VIN | 1C4BJWFG4J |
| Engine | 3.6 L / 6 cyl / GAS |
| Trans | 5-speed Automatic (Electronic) |
| Delivery | Fuel Injection / SEFI |
| Emissions | OBD-II Compliant |
| Symptoms | Misfire, MIL Lamp On |
| Occurs | Was Taking About 3 Months After Spark Plug Replacement, Now New Spark Plug Didn’t Fix It |
| Misc. | Jeep Is Lifted With Larger Tires |
Trouble Codes
| P0301 | Cylinder 1 Misfire Detected |
| P2302 | Ignition Coil 1 Secondary Circuit Insufficient Ionization |
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Vehicle Data
2018 Jeep Wrangler JK Rubicon
| VIN | 1C4BJWFG4J |
| Engine | 3.6 L / 6 cyl / GAS |
| Trans | 5-speed Automatic (Electronic) |
| Delivery | Fuel Injection / SEFI |
| Emissions | OBD-II Compliant |
| Symptoms | Misfire, MIL Lamp On |
| Occurs | Was Taking About 3 Months After Spark Plug Replacement, Now New Spark Plug Didn’t Fix It |
| Misc. | Jeep Is Lifted With Larger Tires |
Trouble Codes
| P0301 | Cylinder 1 Misfire Detected |
| P2302 | Ignition Coil 1 Secondary Circuit Insufficient Ionization |
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