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What does it mean when the engine warning light is on and the car won't start?

1 Answers

StElena

07/30/25 5:44am

The reasons why the engine warning light is on and the car won't start are: 1. Poor quality or substandard fuel; 2. Excessive carbon deposits in the throttle or engine; 3. Oxygen sensor failure. The solutions for the engine warning light being on are: 1. Use fuel additives to clean the entire fuel system; 2. After cleaning the engine, use higher-grade gasoline; 3. Use high-quality fuel additives to improve the cleanliness level of the fuel; 4. Replace the three-way catalytic converter. The function of the engine is: to convert the heat energy of gasoline or diesel into mechanical energy by burning the gas in a sealed cylinder to expand the gas and push the piston to do work. The maintenance methods for the engine are: 1. Regularly change the oil and oil filter; 2. Use lubricating oil of appropriate quality grade; 3. Regularly clean the radiator; 4. Regularly clean the air filter, oil filter, and fuel filter; 5. Keep the crankcase well-ventilated and clean it regularly; 6. Regularly clean the fuel system.

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