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1990 Ford F-150 Custom 5.0L Surge, Cuts out, Misfire
Posted to Ford Driveability on 5/24/2001 8 Replies

this truck goes into a violent misfire only at slower speeds . Feels like manual trans in high gear at to slow speed bucking. Have taken to trans shop and replaced valve body twice. When short out cylinders with scope seems misfire seems to change cylinders so...

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car Vehicle Data

1990 Ford F-150 Custom

VIN 1FTEF14N6L
Engine5.0 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI / sefi
Emissionsus fed
SymptomsSurge, Cuts Out, Misfire
Occurs1200To2000 RPM
Message Closed w/FIX

car Vehicle Data

1990 Ford F-150 Custom

VIN 1FTEF14N6L
Engine5.0 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI / sefi
Emissionsus fed
SymptomsSurge, Cuts Out, Misfire
Occurs1200To2000 RPM