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1989 Ford F-150 Custom 4.9L Poor Idle Quality
Posted to Ford Driveability on 10/27/2001 4 Replies

Hi all This truck idles very low and will eventually stall. If any vacuum hose is removed it will produce a steady but high idle. I substituted a known good IAC valve but this did not help. I suspected the it may be running rich and this was confirmed by looki...

4 Replies Received (View Replies)

  Related Documents & Media  1989 Ford F-150 Custom

 
Message Closed w/FIX

car Vehicle Data

1989 Ford F-150 Custom

VIN 1FTEF15Y6K
Engine4.9 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI
SymptomsPoor Idle Quality
Message Closed w/FIX

car Vehicle Data

1989 Ford F-150 Custom

VIN 1FTEF15Y6K
Engine4.9 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI
SymptomsPoor Idle Quality