What happens when you have a bad idle air control valve?

For example, if you turn on your heater or air conditioner when you have a bad idle air control valve, then your engine will probably stall immediately afterward. The steering wheel might also feel like it’s being dragged to one side too. To temporarily fix this problem, just turn off your heater or air conditioner to reduce the load.

How does idle air control work on a Dodge Ram?

The IAC valve in your Dodge Ram monitors and regulates how much air enters your engine when you idle. Your car can stall if your IAC is unable to keep the right amount of air flowing into your engine.

How to replace Idle Air Control ( IAC )?

Use a long driver as well as pliers to access and remove the first screw holding the IAC valve in place. Figure 5. Use socket wrench to remove second screw holding IAC valve in place. Pull the IAC valve straight off of the throttle body. Figure 6. With screws removed, you can easily access the IAC valve and remove it.

What causes a Dodge Ram to stall when idle?

This article applies to the 2nd Generation Dodge Ram (1994-2001). The IAC valve in your Dodge Ram monitors and regulates how much air enters your engine when you idle. Your car can stall if your IAC is unable to keep the right amount of air flowing into your engine.

How to replace idle air control valve 94-02 Dodge Ram?

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When to replace Idle Air Control ( IAC ) valve?

Your car can stall if your IAC is unable to keep the right amount of air flowing into your engine. If your Dodge Ram begins stalling each time you idle, then it’s likely time to replace your IAC valve. Some Dodge Ram owners recommend cleaning your IAC valve and seeing if that resolves the problem before replacing it.

How long does it take to replace IAC valve in Dodge Ram?

Depending on how comfortable you are under the hood of your Dodge, you can easily replace your IAC valve in less than 20 minutes. Even if you’re more novice than natural, replacing your IAC valve is a fairly straightforward DIY project.

What happens when a heater control valve goes bad?

The heater may produce hot air, but only at certain times, such as at idle, and the hot air may come and go. A faulty heater control valve may also cause the temperature gauge to behave erratically, rapidly climbing and falling, which will make it difficult to determine the temperature of the engine.

How can I tell if my idle control motor is working?

Look for a difference in idle speed. Allow the engine to run for a minute so it settles to a consistent idle, then take note of any difference in the idle RPMs versus the idle you observed earlier. If the idle has not changed at all, it’s likely because your idle control motor has not been functioning.

What does it mean when idle control does not increase?

If the engine idle does not increase, it means there is an issue at the idle control motor of its circuit preventing the signal from changing the idle. You can purchase a bidirectional scan tool at your local auto parts store. Make sure the wiring harness is firmly connected to the idle control motor before conducting this test.

What are the symptoms of an idle air control valve?

Conclusion 1 Bogging Down Hesitation 2 Engine Stalling 3 Idle Air Control Valve (IAC) 4 Idling Issues 5 Poor Performance

Why is my idle control not working on my car?

If the idle has not changed at all, it’s likely because your idle control motor has not been functioning. If the idle control motor was working, disconnecting it should have created a difference in the engine’s idle. This test confirms there’s an issue with the idle control motor, but not what the issue may be.

Can a bad idle control valve cause stalling?

This is controlled by the engine’s computer. Sometimes parts go bad, which results in your car idling strangely or stalling. Check to see if your idle control valve is functioning properly before attempting to replace it. Look for a high engine idle. A common symptom of a faulty idle control valve can be a high idle.