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1991 Ford F Super Duty Custom 7.5L High idle
Posted to Ford Driveability on 5/29/2007 3 Replies

This is an F700 with a 7.0L. the computer controls are the same as a 7.5L, with the added throttle governor on top of the intake. It will not idle below 1800 RMPs once the throttle has been moved. it will idle fine when restarted, but return to high idle when ...

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  Related Documents & Media  1991 Ford F Super Duty Custom

 
Message Closed w/FIX

car Vehicle Data

1991 Ford F Super Duty Custom

VIN 1FDNF70J3M
Engine7.5 L / 8 cyl / GAS
Trans5-speed Standard
DeliveryFI / SEFI
EmissionsOBD1
SymptomsHigh Idle
OccursAlways
Misc.F700 7.0L

Trouble Codes

411unable to control idle
Message Closed w/FIX

car Vehicle Data

1991 Ford F Super Duty Custom

VIN 1FDNF70J3M
Engine7.5 L / 8 cyl / GAS
Trans5-speed Standard
DeliveryFI / SEFI
EmissionsOBD1
SymptomsHigh Idle
OccursAlways
Misc.F700 7.0L

Trouble Codes

411unable to control idle