How to Determine Engine Misfire?

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Methods to determine engine misfire include: 1. Unstable vehicle idle; 2. Abnormal engine vibration; 3. Significant power loss; 4. Difficulty starting the vehicle; 5. Engine prone to stalling; 6. Black smoke from the exhaust pipe. The impacts of engine misfire are: 1. Decrease in engine speed and power; 2. Increased fuel consumption and emission pollution; 3. Accelerated wear of moving parts, shortening the service life of lubricating oil. Engine misfire refers to a condition where engine failure causes insufficient power, with a few cylinders not functioning. An engine is a machine capable of converting other forms of energy into mechanical energy, including internal combustion engines, external combustion engines, jet engines, and electric motors.