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The main function of an auto electric fuel pump is to transport fuel from the fuel tank to the fuel rail, ensuring the normal operation of the engine. It establishes a certain fuel pressure by working in conjunction with the fuel level sensor and the fuel pressure regulator, delivering fuel to the engine's combustion chamber. This process is an indispensable part of the modern electronic fuel injection system.
Compared to traditional mechanical fuel pumps, the working principle of an auto electric fuel pump is more efficient and precise. Mechanical fuel pumps rely on power generated by the rotation of the engine to provide fuel pressure, whereas electric fuel pumps are electrically driven and can more flexibly adjust fuel pressure and delivery speed. This difference makes electric fuel pumps more adaptable to modern vehicles' demands for precise control of the fuel system.
The electric fuel pump ensures that the vehicle receives adequate fuel supply under various driving conditions through a stable working mechanism. It works in tandem with the fuel level sensor to monitor the amount of fuel in real time and adjust the fuel delivery volume as needed, preventing engine stalling or performance degradation due to insufficient fuel.
The electric fuel pump can accurately supply fuel based on the engine's demand, avoiding unnecessary fuel waste, thus improving fuel efficiency. Additionally, the electric fuel pump effectively reduces emissions within the fuel system by providing a more precise amount of fuel injection, thereby optimizing the combustion process.
Modern auto electric fuel pumps are usually installed inside the fuel tank. This design helps maintain the pump's cooling and lubrication and ensures its stable operation. Moreover, the electric fuel pump assembly includes components such as the fuel pump, fuel pressure regulator, and filter, efficiently completing the tasks of fuel delivery and filtration.
The auto electric fuel pump plays a crucial role in the modern fuel system, ensuring the efficient and stable operation of the vehicle.
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