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1991 Ford F-350 Custom 5.8L Poor Idle Quality
Posted to Ford Driveability on 7/20/2002 10 Replies

Hi all - I can't get this truck to idle correctly - when its rev'd up it returns to about 2000 rpm after about 5-10 seconds (way too long) and then only goes down to about 1000. I seem to have two problems. Vacuum leak & computer control of idle) I was able to...

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  Related Documents & Media  1991 Ford F-350 Custom

 
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car Vehicle Data

1991 Ford F-350 Custom

VIN 1FTHF36H5M
Engine5.8 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI
SymptomsPoor Idle Quality
OccursAlways
Message Closed

car Vehicle Data

1991 Ford F-350 Custom

VIN 1FTHF36H5M
Engine5.8 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI
SymptomsPoor Idle Quality
OccursAlways