What is a fuel pump?

When it comes to automobile fuel supply system, the first thing everyone thinks of is the fuel pump, because without a fuel pump, the engine cannot be supplied with fuel. The fuel pump was also mentioned when we talked about the P0087 fault code. So what exactly does a fuel pump do? Listen to the editor slowly.

Considering the problems of heat dissipation, sound insulation, and air resistance, the current fuel pump is built into the fuel tank. The main function is to suck the fuel out of the fuel tank, pressurize it and deliver it to the fuel supply pipe, and cooperate with the fuel pressure regulator to establish a certain amount of fuel. pressure.

Generally speaking, the fuel pump we call is actually a fuel pump component, which is an integrated part, which contains multiple components, mainly including filters (fuel filter, suction filter), fuel pressure regulator, fuel pump , Fuel gauge sensor unit (oil-containing float).