What are the manifestations of incomplete combustion in a car?

[MacJustin]

Manifestations or symptoms of incomplete gasoline combustion: 1. Insufficient vehicle power, slow acceleration, and decreasing power; 2. Strong and pungent odor emitted from the exhaust pipe; 3. Black or white smoke coming from the exhaust pipe. The following are solutions for incomplete gasoline combustion: 1. Clean the engine, transmission, and fuel injectors; 2. Repair the exhaust gas recirculation system and combustion chamber; 3. Use high-quality gasoline. Extension: An engine is a machine capable of converting other forms of energy into mechanical energy. It can be used as a power generation device or refer to the entire machine including the power unit. Types of engines include internal combustion engines (such as gasoline engines), external combustion engines (such as Stirling engines, steam engines), and electric motors.