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1990 Ford F-150 Custom 5.0L Misfire, PREIGINITION
Posted to Ford Driveability on 2/18/2000

Ford tech I need your help . This truck pings and misfires under load at moderate to heavy throttle. The engine runs fine in the shop and nothing shows up on the scope . Further investigation revealed that plug #8 is snowy white , lean or antifreeze right ...

  Related Documents & Media  1990 Ford F-150 Custom

 
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car Vehicle Data

1990 Ford F-150 Custom

VIN 1FTEX14N4L
Engine5.0 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI
SymptomsMisfire, Preiginition
OccursUnder Load
Misc.Pickup
Message Closed w/FIX

car Vehicle Data

1990 Ford F-150 Custom

VIN 1FTEX14N4L
Engine5.0 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI
SymptomsMisfire, Preiginition
OccursUnder Load
Misc.Pickup