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