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2012 Jeep Wrangler Unlimited Sahara 3.6L Misfire
Posted to Chrysler Driveability on 5/29/2026 6 Replies

After all repairs and clearing all adaptive. Relearn crank/cam and idle. On the third key cycle / long drive, cylinder one misfire starts to count up to 200 plus. Sometimes cylinder 3 and 5 will have some misfire counts too. The engine shows very slight mi...

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car Vehicle Data

2012 Jeep Wrangler Unlimited Sahara

VIN 1C4HJWEG3C
Engine3.6 L / 6 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMisfire
OccursAfter 3 Long Drives

Trouble Codes

P0300Multiple Misfire Detected
P0301Cylinder 1 Misfire Detected
Open Help Request

car Vehicle Data

2012 Jeep Wrangler Unlimited Sahara

VIN 1C4HJWEG3C
Engine3.6 L / 6 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMisfire
OccursAfter 3 Long Drives

Trouble Codes

P0300Multiple Misfire Detected
P0301Cylinder 1 Misfire Detected