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2005 Ford F-150 XL 5.4L Poor Idle Quality, Misfire, MIL Lamp on
Posted to Ford Driveability on 8/12/2010 8 Replies

Had this truck come in with a P0308 - #8 misfire. Misfire at idle only and is most noticeable when cold and goes away almost completely when warm. Runs great under load. Replaced all spark plugs with motorcraft & moved #8 Coil to #5, misfire is still in #8. Re...

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  Related Documents & Media  2005 Ford F-150 XL

 
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car Vehicle Data

2005 Ford F-150 XL

VIN 1FTPX14555
Engine5.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire, MIL Lamp On
OccursCold

Trouble Codes

P0308Cylinder 8 Misfire Detected
Message Closed

car Vehicle Data

2005 Ford F-150 XL

VIN 1FTPX14555
Engine5.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire, MIL Lamp On
OccursCold

Trouble Codes

P0308Cylinder 8 Misfire Detected