1989 Pontiac Trans Am GTA Fuel Injection Tuning - 101 Tech Idle Mischief
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Idle-Air Control Valve: Computer-Controlled Idle - The IAC valve (yellow arrow) is a way for the computer to meter additional idle air without getting involved in the cable-operated throttle blades. It mounts into the bottom of the throttle body on the passenger side. We took off the connector to allow removal of the valve. View Related Article
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