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1990 Ford F-250 Custom 5.8L Int. High Idle
Posted to Ford Driveability on 2/26/1998

This baby runs fine most of the time, but will idle around 2000 RPM for a day or two and then fix itself for a few days. Cust states no apparent cause/effect noted, just whenever it decides to. Tried new IAC, no change. had TPS out of spec code, adjusted TPS a...

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car Vehicle Data

1990 Ford F-250 Custom

VIN 1FTHX26H7L
Engine5.8 L / 8 cyl / GAS
Trans5-speed Standard
DeliveryFI / EFI
EmissionsEEC IV
SymptomsInt. High Idle
OccursIdle, Intermittently
Message Closed

car Vehicle Data

1990 Ford F-250 Custom

VIN 1FTHX26H7L
Engine5.8 L / 8 cyl / GAS
Trans5-speed Standard
DeliveryFI / EFI
EmissionsEEC IV
SymptomsInt. High Idle
OccursIdle, Intermittently