What is a throttle body?

The throttle body is the valve that controls the intake of the engine. It is a circular steel plate with a shaft in the middle, which is connected with and controlled by

The throttle body is the valve that controls the intake of the engine. It is a circular steel plate with a shaft in the middle, which is connected with and controlled by the throttle cable. The throttle body is a device on the intake system of the engine. Throttle body is generally divided into three parts: actuator, throttle blade and throttle position sensor, which are generally packaged as a whole. The water pipes on the side are used for waste gas backflow, reaching certain emission standards. Usually the valve body is made of aluminum, but there is also a small amount of plastic such as BYD.