Chongqing Beyoungt Technology Co., Ltd.

It is one of the basic components of the fuel injection system of EFI vehicles, located inside the fuel tank of the vehicle, the fuel pump works when starting and the engine is running, if the engine is stopped and the ignition switch is still on, the HFM-SFI control module turns off the power of the fuel pump to avoid accidental ignition.
The function of the fuel pump is to suck the fuel out of the fuel tank, pressurize it and transport it to the fuel supply pipe, and cooperate with the fuel pressure regulator to establish a certain fuel pressure.