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2005 Ford F-250 Super Duty Lariat 5.4L Misfire
Posted to Ford Driveability on 11/10/2006 10 Replies

Misfire under hard acceleration, feels like loosing a plug.

Checked one plug with great difficulity. Tried to gaulled the threads when removed.

We are also going to preform an update Ford TSB O6-3-3,which states to replace with latest uopdated plugs.

HAS A...

10 Replies Received (View Replies)

  Related Documents & Media  2005 Ford F-250 Super Duty Lariat

 
Message Closed w/FIX

car Vehicle Data

2005 Ford F-250 Super Duty Lariat

VIN 1FTSX21545
Engine5.4 L / 8 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsOBD-II Compliant
SymptomsMisfire
OccursOn Accel

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
P0300Multiple Misfire Detected
Message Closed w/FIX

car Vehicle Data

2005 Ford F-250 Super Duty Lariat

VIN 1FTSX21545
Engine5.4 L / 8 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsOBD-II Compliant
SymptomsMisfire
OccursOn Accel

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
P0300Multiple Misfire Detected