What is the function and working principle of throttle?

Throttle is a controllable valve that controls air to enter 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 be burned to do work. 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. This is one of the steps for the vehicle to provide power. 2. Throttle is the most important component in EFI automobile engine system. Its upper part is the air filter and the lower part is the engine block, which 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.