What is iac motor

However, the necessary steps include:. If your vehicle is stalling, you likely have a bad valve. In that case, you need to remove the old valve and replace it. Replacing the IAC valve is a much simpler process than removing the entire throttle body and cleaning it. Plus, the throttle control valve is a relatively inexpensive part. So, you might want to try replacing it before you clean the entire throttle body.

After you replace the valve, you may need to follow the steps for resetting it. Idle control valves are relatively inexpensive. When you do the job yourself, you also need a carb cleaner which is a few dollars. Answer: The way you fix your idle control valve will depend on what the vehicle is doing. If your car is stalling, you will likely need to replace it. If your vehicle is just idling roughly, you might need to clean the IAC valve and the throttle body.

Your IAC valve should last for as long as you have your vehicle. So, it is more likely that you need to clean the part than replace it. However, on older vehicles, the valve may fail. If you own a newer vehicle, replacing the valve may require advanced automotive knowledge.

So, if your vehicle is relatively new, you should consider taking it to a certified automotive technician or dealership. Resetting your idle air control valve might fix your problem. Here are the steps:. Answer: A malfunctioning IAC valve can cause your vehicle to stall out in traffic. So, it is not a good idea to knowingly drive with a bad one. However, your car may operate, which can make it difficult to diagnose. When you drive your vehicle with an underperforming IAC valve, it can cause damage to other components, but it can also result in a deadly car accident.

Answer: Recognizing the symptoms of a bad idle control valve can help you prevent a dangerous stalling situation. Here are the most common symptoms of a bad IAC valve:.

Electrical problems are less common, but they can be easier to identify if they set diagnostic trouble codes in the engine control module. Wire repairs or an IAC valve replacement might be necessary in the event of an electrical issue.

The idle air control valve has a long history, but it has disappeared from many fly-by-wire vehicles. Engines with electronic throttle body control can use the throttle body motor to modulate engine idle speed, operating autonomously until the driver steps on the accelerator. Photo courtesy of Flickr. Know How. Ben has been taking things apart since he was 5, and putting them back together again since he was 8.

Now, he writes on automotive topics across the web and around the world, including new automotive technology, transportation legislation, emissions, fuel economy and auto repair. Pricing and availability is subject to change. Auto Repair Maintenance Ownership.

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The exact text will differ depending on the actual application you have running. Using an ohmmeter, measure the resistance between pins 1 and 2 on the IAC valve. So, if your vehicle is experiencing any of the symptoms above; or you suspect that your idle air control valve IAC may be having a problem, do the testing first. Finally, if it fails just replace it. What is engine misfiring and what are the main causes.

Consequently, engine misfiring reduces […]. Excessive fuel consumption, can be caused by a number of different things. So, there are dozens of problems that can lead to, excessive fuel consumption. Some of them are serious and some can be easily […]. Reducing fuel consumption, is a big concern today, because of the constant increase, in the price of fuel.

Most of the images displayed are of unknown origin. We do not intend to infringe any legitimate intellectual right, artistic rights or copyright. Furthermore, the idle air control valve IAC , is a major management component of the engine.