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What are the reasons for the fuel pump not working and the car not starting?

1 Answers
AlainaLee
07/29/25 7:08pm
There are several reasons why the fuel pump may not work and the car cannot start, including poor electrical circuit and insufficient fuel supply. The specific details are as follows: Caused by poor electrical circuit: Solution: When the circuit is poor, directly use a multimeter or test light to connect to the plug. If the light turns on when starting the motor, it indicates there is power; if not, it indicates a circuit fault. Caused by insufficient fuel supply: Solution: It is necessary to promptly check whether the fuel in the tank is too low. If it is, replenish it in time. Caused by blockage by foreign objects: Solution: The assembly needs to be disassembled and cleaned. If the problem persists, it is usually due to a clogged filter screen under the fuel pump. A faulty fuel pump can cause low fuel pressure, and the fuel pump needs to be replaced.
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