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The idle air control valve is located on the throttle body (the top sensor). Remove the black Vortec plastic cover and looking at the throttle body you will see 2 sensors with plugs attached on the right (drivers) side... one on the top, one on the bottom. The top is the IAC (idle air control) and the bottom is the TPS (throttle position sensor). Both have 2 bolts to remove in order to take them out which require a TORX 20 (T-20) screw head.

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11y ago

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