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2004 Ford F-150 FX4 5.4L Misfire
Posted to Ford Driveability on 9/9/2012 32 Replies

Customer called with check engine light flashing and drove over two hour - against advise. Thought for sure cats would be melted down and plugged. So replaced plugs checked coils and injectors ok. Now found 1,2,3,4 dead and 5,6,7,8 firing normally. No exhaust ...

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  Related Documents & Media  2004 Ford F-150 FX4

 
Message Closed w/Summary

car Vehicle Data

2004 Ford F-150 FX4

VIN 1FTPW145X4
Engine5.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / Vin -5 3 3-Valve
EmissionsOBD-II Compliant
SymptomsMisfire
OccursAlways

Trouble Codes

P0304Cylinder 4 Misfire Detected
P0308Cylinder 8 Misfire Detected
Message Closed w/Summary

car Vehicle Data

2004 Ford F-150 FX4

VIN 1FTPW145X4
Engine5.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / Vin -5 3 3-Valve
EmissionsOBD-II Compliant
SymptomsMisfire
OccursAlways

Trouble Codes

P0304Cylinder 4 Misfire Detected
P0308Cylinder 8 Misfire Detected