What is engine misfire?

1 Answers
ElisaRose
07/25/25 6:24am
Engine misfire may be caused by issues such as poor valve sealing, spark plug failure, ignition coil failure, or piston ring sealing problems. Engine misfire primarily refers to one or more cylinders in the engine not functioning properly, typically manifested as: 1. Noticeable abnormal engine operation or insufficient power; 2. Uneven engine operation and rhythmic shaking at high, medium, and low speeds; 3. Black smoke and backfiring from the muffler. Engine misfire operation can cause significant harm: 1. Decrease in engine speed and power; 2. Increased fuel consumption and emission pollution; 3. Accelerated wear of operating components, shortening the service life of lubricating oil.
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