The idle air control (IAC) valve on a 2001 Pontiac Aztek is typically located on the throttle body of the engine. To access it, you'll need to remove any necessary components that may obstruct your view, such as the air intake duct. The IAC valve is usually mounted to the throttle body with a couple of screws and has an electrical connector attached to it. Make sure to consult the vehicle's repair manual for specific details and diagrams.
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