James Smith
September 04, 2020
In the early engine fuel supply system, the fuel pump was mostly mechanical. However, the function of the fuel pump is to transfer the fuel stored in the fuel tank to the injector, and then distribute the fuel to the combustion chamber. Now electric fuel pump has been replaced the mechanic fuel pump, in addition, because some of the original electric fuel pump installed outside the fuel tank, considering the heat dissipation, sound insulation and air resistance and other problems, the fuel pump is installed into the tank, combined with the fuel and fuel meter measuring device as a whole. However, the failure of fuel pump will cause the engine unable to start or difficult start, engine flameout, surge, unstable speed, idling engine wobble, poor acceleration, detonation, insufficient power, excessive fuel consumption, excessive emission and other faults, so the original electric fuel pump installed outside the fuel tank was replaced. We take the Volkswagen as example.
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