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Basically, your idle air control valve regulates the air that enters your engine while idling. Over time this valve builds up carbon and can really disrupt how the air flows into, or doesn't flow into the engine.

To clean this valve, it's really as easy as changing putting on your seatbelt.

All you need is the proper size torx bit for the job.

Step 1. Unscrew both screws, but ensure that they do not fall down into the engine bay as it may be bothersome to fish them back out no matter where they are.

(Reminder, on the 3.3 engine the Idle air control is on the throttle body closest to the side of the engine. There are two electrical devices on the throttle body,the upper being the throttle position sensor, and the lower being the idle air control. Follow the same steps to clean it out.)



Step 2. Unclip the electrical connector and put it aside.

Step 3. Clean off the end piece with a rag, and optionaly, if you have some carb cleaner around, feel free to use some to clean up the inner workings of the valve.

Step 4. Make sure the passage where the iac sits is clear.

Step 5. Replace the IAC into it's proper place, taking note which side to mount it.

Enjoy your smoothed out idle. :)
 
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