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1991 Ford F-150 Custom 5.0L Poor Idle Quality, Poor Fuel Economy, MIL Lamp on
Posted to Ford Driveability on 11/21/2006 11 Replies

this is my first request for help and i dont even know where to start testing. costomer complains of uneven idle at first start up [...] out after 1 min or when you goose trottle. also very poor fuel milage.i tested with otc genisys o2 inactive (replaced o2) r...

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  Related Documents & Media  1991 Ford F-150 Custom

 
Message Closed w/Summary

car Vehicle Data

1991 Ford F-150 Custom

VIN 1FTEF14N0M
Engine5.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / MPI
EmissionsFED EMISSIONS
SymptomsPoor Idle Quality, Poor Fuel Economy, MIL Lamp On
OccursIdle
Misc.PCM F1tf-12A650-Ta
Message Closed w/Summary

car Vehicle Data

1991 Ford F-150 Custom

VIN 1FTEF14N0M
Engine5.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / MPI
EmissionsFED EMISSIONS
SymptomsPoor Idle Quality, Poor Fuel Economy, MIL Lamp On
OccursIdle
Misc.PCM F1tf-12A650-Ta