Throttle Body: Description and Operation

Throttle Body:

Non-Turbo Throttle Body:

The throttle body controls intake air quantities and consists of an aluminum housing, primary and secondary throttle plates, Idle Switch, Throttle Position Sensor, and a Bypass Air Control Valve. The Throttle Position Sensor is mounted on the left side of the throttle body. It detects the throttle valve position and provides the ECA with this information