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2003 Jeep Wrangler Rubicon 4.0L Misfire, MIL Lamp on
Posted to Chrysler Driveability on 2/9/2018 26 Replies

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...

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  Related Documents & Media  2003 Jeep Wrangler Rubicon

 
Message Closed w/FIX

car Vehicle Data

2003 Jeep Wrangler Rubicon

VIN 1J4FA69S63
Engine4.0 L / 6 cyl / GAS
Trans5-speed Standard
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMisfire, MIL Lamp On
OccursIdle

Trouble Codes

P0301Cylinder 1 Misfire Detected
Message Closed w/FIX

car Vehicle Data

2003 Jeep Wrangler Rubicon

VIN 1J4FA69S63
Engine4.0 L / 6 cyl / GAS
Trans5-speed Standard
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMisfire, MIL Lamp On
OccursIdle

Trouble Codes

P0301Cylinder 1 Misfire Detected