What Causes the Engine Malfunction Indicator Light to Illuminate?

[StJuliet]

Reasons for the engine malfunction indicator light illuminating: 1. Sensor damage, poor contact, or signal interruption; 2. Poor engine maintenance; 3. Low-quality fuel or engine oil; 4. Incomplete combustion of the air-fuel mixture; 5. Spark plug or ignition coil failure; 6. Fuel pump malfunction or fuel line blockage; 7. Clogged air conditioning filter. An engine is a machine capable of converting other forms of energy into mechanical energy, typically transforming chemical energy into mechanical energy. This includes internal combustion engines, external combustion engines, jet engines, electric motors, etc. It can refer to both the power generation device and the entire machine including the power unit.