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1989 Ford F-150 Custom 5.0L Poor Idle Quality
Posted to Ford Driveability on 7/6/2003 25 Replies

Vehicle came in with high idle.(1500 to 1800 RPM) Set screw was tampered with. IAC motor had voltage but did not work. Replaced IAC unit with new part from Ford. Also replaced TPS switch and cleaned throttle ports. Disconnected battery to re set computer. Test...

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  Related Documents & Media  1989 Ford F-150 Custom

 
Message Closed w/FIX

car Vehicle Data

1989 Ford F-150 Custom

VIN 1FTDF15N0K
Engine5.0 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI / TBI
EmissionsUS FED
SymptomsPoor Idle Quality
OccursAlways
Message Closed w/FIX

car Vehicle Data

1989 Ford F-150 Custom

VIN 1FTDF15N0K
Engine5.0 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI / TBI
EmissionsUS FED
SymptomsPoor Idle Quality
OccursAlways