What Is The Function Of A Fuel Pump?

The fuel pump is an important component of the automotive fuel system, which is mainly used to suck gasoline out of the fuel tank and press it into the float chamber of the carburetor through pipelines and gasoline filters to ensure the normal operation of the engine.

Specifically, the functions of the fuel pump include:

1. Provide stable fuel supply. The fuel pump sucks gasoline from the tank and presses it into the fuel supply pipe to ensure a stable fuel supply for the engine during operation.

2. Establish and maintain fuel pressure. The fuel pump and fuel pressure regulator work together to establish and maintain a certain fuel pressure, ensuring that fuel can flow smoothly into the engine.

3. Avoid accidental ignition. When the engine stops running and the ignition switch is still in the ON position, the HFM-SFI control module will turn off the power to the fuel pump to avoid accidental ignition.

In short, the fuel pump is an important component of the car's fuel system. Its function is to suck gasoline out of the tank, pressurize it, and deliver it to the fuel supply pipe, ensuring that the engine receives a stable fuel supply to maintain the normal operation of the car.