Throttle body is a crucial component in automotive engine that regulates the amount of input air into the combustion chamber.

In electronically fuel-injected vehicles, the throttle body communicates with the engine electronic control unit (ECU) to adjust the air-fuel mixture.

Electronic Throttle Body (ETB)

ETBs employ an electric motor to control the throttle plate.

Mechanical Throttle Body

Mechanical throttle bodies normally use a physical linkage (usually a cable) to connect the accelerator pedal to the throttle plate.

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