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2004 Ford F-150 Heritage SVT Lightning 5.4L Misfire, MIL Lamp on
Posted to Ford Driveability on 12/22/2005 4 Replies

This supercharged 5.4 does overboost on hard acceleration it will put the boost gague off the scale when this happens the engine begins to misfire I dont know the system at all have tried the ford trouble charts thanks for any help

Summary posted 1/4/2006

4 Replies Received (View Replies)

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car Vehicle Data

2004 Ford F-150 Heritage SVT Lightning

VIN 2FTRF07334
Engine5.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMisfire, MIL Lamp On
OccursUnder Load

Trouble Codes

P0234Turbocharger Overboost Problem