What causes the engine yellow light to suddenly come on?

1 Answers
DiLucia
07/29/25 8:57am
The reasons for the engine yellow light suddenly coming on are: 1. Fuel quality issues; 2. Engine knocking or detonation; 3. Damaged sensor components; 4. Engine carbon buildup. The function of the engine is: to convert the thermal energy of gasoline or diesel into mechanical energy by burning the expanding gas in a sealed cylinder to push the piston and perform work. Engine maintenance methods include: 1. Regularly changing the oil and filter; 2. Using lubricants of appropriate quality grades; 3. Periodically cleaning the radiator; 4. Regularly servicing the air filter, oil filter, and fuel filter; 5. Maintaining good crankcase ventilation with regular cleaning; 6. Periodically cleaning the fuel system.
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