What could be the reason for sudden loss of power when stepping on the accelerator?

1 Answers
JaceRose
07/30/25 2:32am
Sudden loss of power when stepping on the accelerator could be due to issues with the fuel supply system or problems with the ignition system. The ignition system is crucial for the engine, with its main components being spark plugs and ignition coils. Spark plugs need to be replaced regularly; if they are used for an extended period without replacement, the electrode gap may widen, affecting the spark plug's ignition performance. The fuel supply system primarily consists of the fuel pump and some pipelines. For direct-injection engine vehicles, there is also a high-pressure fuel pump in the engine compartment. If the fuel pump malfunctions, there won't be sufficient injection pressure, leading to reduced engine power or even a complete loss of power.
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