Is it normal for a new car's fuel pump to fail?
1 Answers
This is not normal. If the fuel pump is indeed faulty, it can be replaced free of charge. Below are symptoms of failures at different levels: 1. Complete failure: If the fuel pump fails completely, it cannot pump any fuel at all, causing the fuel supply system to collapse and the vehicle to be unable to start. 2. Partial failure: Damage to the fuel pump's check valve can lead to residual fuel pressure, where the fuel pressure does not reach the specified value, significantly reducing the atomization effect and making the vehicle difficult to start, requiring prolonged and repeated ignition attempts. Mechanical faults such as rotor jamming: The working current of the fuel pump increases, causing damage to the relay or fuse. 3. Engine malfunction: The engine warning light comes on, accompanied by abnormal engine vibration.