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2003 Jeep Wrangler Rubicon 4.0L Misfire, MIL Lamp on
Customer complained of check engine light and failed emissions. Only code is P0301. Cylinder 1 misfire. Vehicle has 180k and had factory plugs. Replaced all spark plugs with OEM NGK. Cleared codes. Has a VERY slight misfire at idle, anything above 1,000 rp...
FIX posted 2/12/2018
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Message Closed w/FIX
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26 Replies Received
26 Replies Received
Related Documents & Media | VIN | 1J4FA69S63 |
| Engine | 4.0 L / 6 cyl / GAS |
| Trans | 5-speed Standard |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | Misfire, MIL Lamp On |
| Occurs | Idle |
Trouble Codes
| P0301 | Cylinder 1 Misfire Detected |
Message Closed w/FIX
Vehicle Data
2003 Jeep Wrangler Rubicon
| VIN | 1J4FA69S63 |
| Engine | 4.0 L / 6 cyl / GAS |
| Trans | 5-speed Standard |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | Misfire, MIL Lamp On |
| Occurs | Idle |
Trouble Codes
| P0301 | Cylinder 1 Misfire Detected |
Video