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Fuel pump is the auto parts industry jargon. Is one of the basic components of automotive efi fuel injection system. Role is sucked out, pressure in the fuel from the fuel tank after delivery to the delivery pipe, and the fuel pressure regulator to cooperate to build a certain fuel pressure.

Fuel pump to the pipeline conveying high pressure fuel, ensure to supply constant fuel nozzle.

Fuel pump in the start and work when engine is running, if the engine is stopped and the ignition switch is still ON, HFM - SFI turning off the power of the fuel pump control module, in order to avoid accidental ignition.

Fuel pump is located in the vehicle fuel tank internal

Fuel pump by an electric motor, pressure limiter, check valve, the practical work of electric motors in the fuel oil pump shell, don't worry, because there is no any shell to ignition, fuel can lubrication and cooling motor fuel, oil outlet is equipped with check valve, the pressure limiter is in the pressure side of the pump shell, with to the inlet channel.