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Is it necessary to drain the fuel when replacing the fuel pump?

1 Answers

ORuth

07/29/25 1:29pm

Replacing the fuel pump generally does not require draining the fuel. Here is a detailed introduction to automotive fuel pumps: 1. Function: The fuel pump serves as the interface between the high-pressure and low-pressure fuel circuits. Its function is to generate fuel pressure in the common rail by controlling the fuel output. Its role is to increase fuel pressure for high-pressure injection to achieve atomization. 2. Purpose: The main purpose of the fuel pump is to act as a power source for hydraulic devices such as jacks, heading machines, extruders, and cotton gins. 3. Installation precautions: During the installation of the fuel pump, all openings should be covered to prevent debris from entering the machine.

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