What is the function and principle of throttle?

Throttle is a controllable valve, which is used to control the air entering the engine. It is connected with the air filter at the top and the engine block at the bottom, and is called the throat of the automobile engine. After the air enters the intake pipe, it will be mixed with gasoline to form a combustible mixture, which will do work after combustion and provide power for the vehicle. The throttle has the following functions: 1. Automobile throttle is a controllable valve to control air to enter the engine. After entering the intake pipe, it will be mixed with gasoline to form a combustible mixture, which will participate in combustion and do work, thus providing power for the vehicle. 2. Throttle is the most important component in EFI automobile engine system. Its upper part is the air filter, and its lower part is the engine block, which is the throat of the automobile engine and controls the speed of the vehicle. 3. Whether the car accelerates flexibly is closely related to the cleanliness of the throttle. By stepping on the accelerator, the owner controls the opening of the accelerator to achieve the purpose of slowing down.