What is the function of throttle valve?

The function of the throttle is to control the intake flow of the engine and the air entering the engine. It is a controllable valve that determines the working condition of the engine. After air enters the intake pipe, it is mixed with gasoline (different types of cars have different design mixing parts) to become combustible mixture, which participates in combustion and does work. The driver controls the throttle opening by operating the accelerator pedal.

The function of the throttle is to control the intake flow of the engine and the air entering the engine. It is a controllable valve that determines the working condition of the engine. After air enters the intake pipe, it is mixed with gasoline (different types of cars have different design mixing parts) to become combustible mixture, which participates in combustion and does work. The driver controls the throttle opening by operating the accelerator pedal.

Whether it is a carburetor car or an EFI car, the function of the throttle is the same, that is, to control and adjust the air intake of the engine. After air enters through the throttle, it is mixed with gasoline to form an oil-gas mixture. The fuel injection of carburetor is to suck the gasoline in carburetor through the negative pressure formed by the airflow in the intake pipe, and then mix it and enter the cylinder. This method is extensive and unevenly distributed, which affects emissions. On the other hand, the electronic signals provided by the air flow sensor and air pressure sensor near the throttle valve are used by the EFI vehicle, and the fuel injector in the intake manifold is controlled by the driving computer to inject fuel according to various parameters. Therefore, the intake of air determines the intake of air-fuel mixture. From this perspective, the opening of throttle valve also determines the intake of air-fuel mixture.

Cleaning the throttle valve is the most important part of the EFI automobile engine system and the throat of the automobile engine. Whether the acceleration of a car is flexible or not has a great relationship with the cleanliness of the throttle. When the engine is working, the fuel and a small amount of lubricating oil entering the combustion chamber cannot burn at 100%. The unburned part of engine oil forms colloid under the action of high temperature, which adheres to the surface of intake valve, throttle valve, intake pipe, piston or combustion chamber, and then further condenses into a mixture of asphaltene and oil coke to form carbon deposit.

If the throttle valve is not cleaned for a long time because of excessive carbon deposition, it will lead to poor engine acceleration, idling jitter and increased fuel consumption.

Cleaning the throttle valve can effectively decompose and remove stubborn carbon deposits in the throttle valve, clean carbon deposits and gum without disassembling the throttle valve, smooth intake, improve fuel economy, reduce exhaust emissions, and make the engine run strongly and stably.

What is the throttle? Outside, it is usually 100, and 4s is generally 200 to 400. Of course, the price of the accelerator is different for different car brands, and the price still depends on the reality.

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