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1989 Ford Super Duty 7.5L MIL Lamp on, unknown codes
Posted to Ford Driveability on 11/1/1999

Good evening to all We have a 1989 Ford Super Duty that the MIL will come on from time to time with no real drivability problems. From time to time is defined as every day at least once. The truck is used on a delivery route every day. When our tech...

 
Message Closed w/FIX

car Vehicle Data

1989 Ford Super Duty

VIN 2FDLF47G5K
Engine7.5 L / 8 cyl
SymptomsMIL Lamp on, Unknown Codes
OccursIntermittently
Misc.Dual Rear Wheel

Trouble Codes

327Unknown
539Unknown
Message Closed w/FIX

car Vehicle Data

1989 Ford Super Duty

VIN 2FDLF47G5K
Engine7.5 L / 8 cyl
SymptomsMIL Lamp on, Unknown Codes
OccursIntermittently
Misc.Dual Rear Wheel

Trouble Codes

327Unknown
539Unknown