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Where is the IAC valve on a 2001 gmc Yukon?

Updated: 8/18/2019
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11y ago

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As you look at the engine from the front, you can see the alternator on the right side. Just to the left of the alternator on the side of the throttle body, is the Throttle Position Sensor (TPS) - it is the top one - and the Idle Air Controller (IAC) - it is the bottom one. The TPS sticks into the side of the throttle body whereas the connector for the IAC sticks out towards the front of the engine.

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Q: Where is the IAC valve on a 2001 gmc Yukon?
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