Idle Air Bypass Kit
An idle air bypass kit is an electronic shutter valve that is controlled and operated by a computer which opens and closes it to get up or lower the engine idle speed by increasing or reducing the airflow into the engine.
Signs of a bad idle air bypass kit
- Check engine light is on
- Incorrect idle speed
Idle air bypass kit troubleshooting
- All idle passages as well as the throttle body itself should be cleaned and the idle speed verified each and every time you replace or remove your idle air bypass kit.