Idle throttle opening is somewhat normal.

The normal value of throttle opening is 1.6-5.0. 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, and the combustion is successful. It connects the air filter and the engine block, and is called the throat of the automobile engine. The following is the function of the throttle: 1. Automobile throttle is a controllable valve used to control air entering the engine. After entering the intake pipe, it is mixed with gasoline (mixed parts of different cars and different designs) to become combustible gas mixture, which participates in combustion and does work. One of the steps of providing power for the vehicle; 2. Throttle is the most important component in the 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. The owner controls the throttle opening by stepping on the throttle to achieve the purpose of slowing down.