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The idle air control valve is located on the back of the throttle body. It has an oval electrical connector and two torx screws holding it in. Unplug the connector, remove the two screws then lightly tap the body with a soft faced mallet to loosen it from the body. Once you have it out and prior to installing a new valve clean the seat inside the throttle body where the idle control fits. This must be very clean! Installation is in the reverse order. Btw, to save some cash, pull the valve out and clean it, this usually fixes the problem for quite a while.

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15y ago
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15y ago

Go buy a Haynes Auto Repair manual for your car.

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16y ago

Look on you tube they have a video of doing this job

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9y ago

An idle air control valve is generally located on top of the throttle body, under the hood. Often, these valves need to be cleaned rather than replaced.

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Q: How do you replace an idle air control valve on a 1993 GM safari van?
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