What are the symptoms of a bad idle air control valve?
When the idle air control valve fails, it inhibits the flow of air through the engine. When the car can’t receive air, it leads to engine stalling. The severity of this symptom can range from occasional stalling at first, to stalling immediately after ignition.
How do you check the IAC valve on a Ford Ranger?
A quick and dirty test is to pull the connector off the IAC while the truck is idling. If it is working, you should get a drop in the idle speed. If there is no change, it isn’t working.
How do you clean the IAC valve on a Ford Ranger?
Remove the 2 5/16″ screws holding the IAC down. Spray the heck out of the inside with the throttle body cleaner spray. Use Qtips to get in the tight areas and get it as clean as you can.
What happens if you remove the idle air control valve?
If it works properly, stopping it would cause panic to your inactive engine. Normally, if you turn on your car, the inactive air control valve will increase and decrease the rpms engine slowly.
How do you diagnose a bad IAC valve?
Usually a bad or failing idle control valve will produce a few symptoms that can alert the driver of a potential issue.
- Irregular idle speed. One of the most common symptoms associated with a problematic idle air control valve is irregular idle speed.
- Check Engine Light comes on.
- Engine stalling.
What is the idle air control valve on a Ford Ranger?
Change it out with a new Ford Ranger idle air control valve from AutoZone. An idle air control valve assists your Ranger’s computer by controlling airflow so you get the right amount of fuel sent to the engine. Dirt from everyday driving clogs the idle air control valve, giving you an uneven ride.
When to change the idle air control valve?
But when the idle air control valve is failing, you lose the consistent power you need. Change it out with a new Ford Ranger idle air control valve from AutoZone. An idle air control valve assists your Ranger’s computer by controlling airflow so you get the right amount of fuel sent to the engine.
What kind of noise does a Ford Ranger make?
My 1996 Ford Ranger with the 4.0L V6 developed a weird howling noise. It sounded like a moose call or a sick cow. It wasn’t all of the time. Usually in gear at idle or low speed. If I gave it gas, the noise usually went away, and come back at low idle again. It was very annoying.
