Common problem.. The "Idle Air Control" valve (IAC) is the usual culprit. It is located on the throttle body.
what would cause F250 2002 Ford to hold back like ememergy brake on
Vacuum pump the same vacuum pump that works automatic locking hubs on the 4wd
below the altnator
In your glovebox. Maybe.
wher is the oil sending unit for a 1999 ford f250 v10 triten located on moter
Where can I find a wiring diagram for a Ford 1991 F250 pickup with 5.8 liter V8 and automatic transmission with overdrive?
The carbuerator advances the distributer.
Could be a vacuum leak. The year and engine info would help us help you.
vacuum leak. look at the vac pump under the hood on the pass side and check the hoses for dry rot or cracks
pump housing front top of engine
The 1991 Ford F250 extended cab pickup truck, with a V8 diesel engine, curb weight is listed as 4620 pounds. The curb weight includes all of the fluids
Loss of vacuum or vacuum leak--when engine is under load vacuum is decreased--normally you have a storage tank to compensate for this loss-however if there is a leak or engine vacuum is not sufficient the result you are seeing is normal . So check for leak either under hood or dash