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1989 Ford F-150 Custom 4.9L Misfire
Posted to Ford Driveability on 9/5/2000

Truck runs fine until you reach 45 Mph and then it starts to miss or I should say it feels like a miss. Not real sure that its not a trans problem. Any information will be of great help I'm sure.

Thanks to all in advance

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car Vehicle Data

1989 Ford F-150 Custom

VIN 1FTEF14Y3K
Engine4.9 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI
SymptomsMisfire
OccursAt 45 Mph
Message Closed

car Vehicle Data

1989 Ford F-150 Custom

VIN 1FTEF14Y3K
Engine4.9 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI
SymptomsMisfire
OccursAt 45 Mph