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1989 Ford F-250 Custom 5.8L Poor Idle Quality, Surge
Posted to Ford Driveability on 9/3/2006 30 Replies

This truck must have some type of vacuum leak. Runs very bad at idle and very strong over 2k RPM. It did have a lean code, but I do not know the code. We sprayed about 5 cans of brake cleaner all over the engine looking for leaks. Found none. So I added butane...

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car Vehicle Data

1989 Ford F-250 Custom

VIN 1FTHF25H7K
Engine5.8 L / 8 cyl / GAS
Trans4-speed Standard
DeliveryFI
SymptomsPoor Idle Quality, Surge
OccursAlways
Message Closed

car Vehicle Data

1989 Ford F-250 Custom

VIN 1FTHF25H7K
Engine5.8 L / 8 cyl / GAS
Trans4-speed Standard
DeliveryFI
SymptomsPoor Idle Quality, Surge
OccursAlways