Product Overview
- Idle Air Control Value ( IAC Valve ) Controlled by the onboard computer
- The computer moves the pintle in and out of an opening that bypasses the throttle blade
- IAC Valve Allows the computer to precisely control idle speed when varying loads are placed on the engine
- Symptoms of failure include engine stalling, surging, poor idle conditions, and or a check engine light
- Check for proper operation with each tune-up and replace when trouble codes indicate failure
