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1989 Ford F-150 Custom 5.0L Spark Plug
Posted to Ford Driveability on 9/30/1998

Have problem with #8 spark plug electroid burning off. No vacuum leaks are found and fuel delivery is good. Injector working good and timing is set. Plug has been replaced twice. No other problems in any other cylinders. Valve train is good. Never a performanc...

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car Vehicle Data

1989 Ford F-150 Custom

VIN 1FTEX14N0K
Engine5.0 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI / EFI
EmissionsCALIF EEC4
SymptomsSpark Plug
Occurs1.5-2K Miles
Message Closed w/FIX

car Vehicle Data

1989 Ford F-150 Custom

VIN 1FTEX14N0K
Engine5.0 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI / EFI
EmissionsCALIF EEC4
SymptomsSpark Plug
Occurs1.5-2K Miles