Common problem.. The "Idle Air Control" valve (IAC) is the usual culprit. It is located on the throttle body.
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Related Questions
What causes vacuum pump on 1997 Ford F250 diesel to go out?
what would cause F250 2002 Ford to hold back like ememergy brake on
What would cause the heat selector on your F250 Diesel not work it seems to be stuck in defrost?
Vacuum pump the same vacuum pump that works automatic locking hubs on the 4wd
Where is vacuum pump on f250 7.3deisel?
below the altnator
Where can you find an owner's manual for a 1991 ford f250?
In your glovebox. Maybe.
Where is the oil sending unit on a 1991 Ford F250?
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?
Where can I find a wiring diagram for a Ford 1991 F250 pickup with 5.8 liter V8 and automatic transmission with overdrive?
What would cause the ac to blow only through the defrost on a f250 ford diesel?
vacuum leak. look at the vac pump under the hood on the pass side and check the hoses for dry rot or cracks
For a 1979 F250 400 is the vacuum line on the distributor full or advanced off the carbuerator?
The carbuerator advances the distributer.
Why does your F250 stall at idle?
Could be a vacuum leak. The year and engine info would help us help you.
Where is the Tach Sensor on a 1991 Ford F250 Diesel?
pump housing front top of engine
What is the curb weight of a 1991 Ford f250 V8 diesel with extended cab?
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
What could cause the air flow to change from panel to floor to completely shutting off although the fan is running on a 97 F250 when it is put into a pulling situation?
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
What is an F-250 turbo diesel vacuum pump?
vacuum pump in a diesel, is a pump installed to create vacuum to assist in opreation of brakes in pickups tha have diesel engines, the brakes are same as any other pickup and use vacuum created by the ngine to operate. a diesel engine does not create vacuum, as a gasoline engine does. that is why there is a vacuum pump added to a small diesel engine on f250 the pump is belt driven, is on the driver side of engine, under the a/c compressor.
What is the vacuum hose for front disc brakes on 2000 f250 for?
Engages automatic locking hubs on for wheels drives with automatic hubs.
How do you put in a sterio in a 1991 ford f250 4x4 302v8?
Take it to your nearest car stereo retailer!
Where is the vacuum on my 88' F250 7.3 liter diesel?
I'm assuming you're looking for the vacuum pump? That's located on the front passenger's side of the engine. Right between the alternator and fuel pump.
Where can you get vacuum hose harnness pictures 89 f250 5.8?
You can find 1989 Ford F2 50 vacuum hose harness pictures in most service manuals. Many local libraries will have the service manuals.
Where is the windshield wiper governor on a 1991 Ford F250?
black box attached to the panel under the wiper switch
Why does my 1991 ford F250 idle so fast?
Perhaps the throttle plate is stuck - try to free with a screwdriver
Will 1996 f250 rims it a 1999 f250?
will 1996 f250 rims fit a 1999 f250 bolt pattern
Where is the high beam indicator on a 1991 Ford F250?
Try the floor to the front left. There should be a switch you can press with your foot.
Where is the fuel pump located on a 1985 Ford F250 6.9 Liter Diesel?
As you are looking at the front of the engine, it is located behind the vacuum pump; bolted to the block.
Spark plug gap for 1991 ford f250 5.8l?
.042 -.046 All you have to do is look at the emissions sticker under the hood.
Does Budget Tuck Rental offer F250 diesel pickups?
At the present time budget does not offer F250 diesel pickups. There are other great pickups available for rent.
Will wheels from a 99 F250 fit a 67 F250?
no
