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1991 Ford F-150 Custom 4.9L MIL Lamp on
Posted to Ford Driveability on 10/26/2000

This vehicle is a bit weird. It runs fine, but will set that code 179 right after you begin moving and then let off the throttle to slow down. Then the light goes out but may come back on another time or two. After the engine begins to warm up just a little bi...

  Related Documents & Media  1991 Ford F-150 Custom

 
Message Closed w/FIX

car Vehicle Data

1991 Ford F-150 Custom

VIN 2FTDF15Y6M
Engine4.9 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
SymptomsMIL Lamp On
OccursCold

Trouble Codes

179Rich limit reached
Message Closed w/FIX

car Vehicle Data

1991 Ford F-150 Custom

VIN 2FTDF15Y6M
Engine4.9 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
SymptomsMIL Lamp On
OccursCold

Trouble Codes

179Rich limit reached