The Electric Fuel Pump is a device that continuously sucks fuel out of the fuel tank and provides a specified pressure and flow of fuel to the fuel system, and is one of the components of the Electronic Fuel Injection (EFI) system. Based on its function, it can be seen that the performance of the Electric Fuel Pump will directly affect the working performance of the engine, also known as the ‘Heart’ of the Fuel supply system of the EFI engine.
To meet increasingly stringent emission regulations, vehicles must precisely control the air-fuel ratio, which means that the ratio of air to fuel supplied to the engine must be precise. To achieve this goal, it is necessary to use an Air Flow Sensor. It is usually installed on the intake duct between the air filter and the throttle body, used to detect real-time air volume intake into the engine for ECU to control the proportion of air and fuel in the engine.
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