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1990 Ford F-150 Custom 5.8L Poor Idle Quality, Excessive Idle Speed
Posted to Ford Driveability on 7/13/1999

When truck is started, it idles excessively, around 1800 RPMs. Sometimes it will slow down, then the next time, it will not slow down. When idling fast, assecl. linkage is all the way back against the stop. Shows no codes, I don't know if I have a computer pro...

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car Vehicle Data

1990 Ford F-150 Custom

VIN 1FTEX15HIL
Engine5.8 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI / EFI
EmissionsUS Fed Emissions
SymptomsPoor Idle Quality, Excessive Idle Speed
OccursIdle, Intermittently
Misc.Ext. Cab Pickup
Message Closed w/FIX

car Vehicle Data

1990 Ford F-150 Custom

VIN 1FTEX15HIL
Engine5.8 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI / EFI
EmissionsUS Fed Emissions
SymptomsPoor Idle Quality, Excessive Idle Speed
OccursIdle, Intermittently
Misc.Ext. Cab Pickup