Throttle Air Bypass Valves

Throttle Air Bypass Valves (TABPV)

Description: A solenoid controlled by the onboard computer. The computer moves the pintle in and out of an opening that bypasses the throttle blade. This allows the computer to precisely control idle speed when varying loads are placed on the engine.

Symptoms of Failure:

  • Engine Stalling
  • Surging
  • Poor Idle Conditions
  • Check Engine Light

Recommended Service: Service should be performed every 25,000 to 35,000 miles and consists of cleaning or replacing valves that are non-functional.

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Throttle Air Bypass Valves
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