Idle Air Bypass Kit
An idle air bypass kit is a computer-controlled electronic shutter valve that allows measured amounts of air around the throttle plate to increase or decrease the engine idle speed as required.
Symptoms of Wear or Failure
- Incorrect engine idle
- Illumination of the Check Engine Light
Related Repair Advice
- The throttle body and idle passages should be cleaned and the minimum idle speed verified whenever the idle air bypass kit is replaced or serviced