What is the function and working principle of throttle?

Throttle is a controllable valve that controls air to enter the engine. After the air enters the intake pipe, it will be mixed with gasoline to form a combustible mixture, which will be burned to do work. 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. The function of the throttle is as follows: 1. Automobile throttle is a controllable valve, which is used to control the air entering the engine. After entering the intake pipe, it will be mixed with gasoline (different models and different designs) to become combustible mixture, which will participate in combustion and do work. One of the steps of 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.