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2006 Jeep Liberty Limited 3.7L Poor Idle Quality, Misfire, MIL Lamp on
Posted to Chrysler Driveability on 7/9/2009 7 Replies

When vehicle came in it had MIL on and misfiring. P0306 was found. Removed plug & coil to check and found plug gap at .020. Replaced #6 plug and coil and gapped all plugs. Misfire went away for 1100 miles before MIL came back with same code and misfire at idle...

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  Related Documents & Media  2006 Jeep Liberty Limited

 
Message Closed w/Summary

car Vehicle Data

2006 Jeep Liberty Limited

VIN 1J4GK58K96
Engine3.7 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire, MIL Lamp On
OccursIdle, Intermittently

Trouble Codes

P0306Cylinder 6 Misfire Detected
Message Closed w/Summary

car Vehicle Data

2006 Jeep Liberty Limited

VIN 1J4GK58K96
Engine3.7 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire, MIL Lamp On
OccursIdle, Intermittently

Trouble Codes

P0306Cylinder 6 Misfire Detected