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What are the effects of replacing the fuel pump on a new car?

1 Answers

StJulianna

07/29/25 11:15pm

Replacing the fuel pump has an impact on the vehicle. The function of the fuel pump is to draw gasoline from the fuel tank and maintain a certain pressure in the tank, overcoming pipeline resistance to deliver fuel through the lines and fuel filter into the float chamber of the carburetor or the fuel supply rail of an electronically controlled injection engine. Below are the specific details: 1. When the pump core is damaged: During the operation of the fuel supply system, there is no sound of the fuel pump running when the ignition is turned on. 2. When the pump body is damaged: Due to pressure leakage, the fuel pressure cannot reach the specified value, leading to poor atomization and preventing the engine from starting. 3. Do not wait until the fuel warning light comes on before refueling: Because the fuel pump relies on gasoline for cooling, when the fuel level is too low, it cannot effectively dissipate heat, reducing its service life. 4. Frequent failures of the fuel pump are related to fuel quality, refueling methods, refueling quantity, and frequency. Therefore, it is important to always refuel correctly and use high-quality fuel to ensure the longevity of the vehicle's fuel pump.

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