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1991 Ford F-150 Custom 5.0L Excessive Emissions, No Start, Poor Idle Quality, Stall, Poor Fuel Economy
Posted to Ford Driveability on 7/29/2003 12 Replies

i have limited EEC-IV experience, so this is a toughie. it has 220,000km, starts poorly, runs rich, idle rolls until warm, stalls when you try to drive it. still runs rich when warm, but runs almost ok. fuel pressure ok, 35-45 psi KOEO and KOER. checked for co...

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car Vehicle Data

1991 Ford F-150 Custom

VIN 2FTEF14N7M
Engine5.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
SymptomsExcessive Emissions, No Start, Poor Idle Quality, Stall, Poor Fuel Economy
OccursCold, Idle
Message Closed w/FIX

car Vehicle Data

1991 Ford F-150 Custom

VIN 2FTEF14N7M
Engine5.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
SymptomsExcessive Emissions, No Start, Poor Idle Quality, Stall, Poor Fuel Economy
OccursCold, Idle