How to Eliminate the Engine Malfunction Light?

[VanKhloe]

To eliminate the engine malfunction light, you can: 1. Use higher-grade gasoline; 2. Replace the oxygen sensor; 3. Replace the air flow sensor; 4. Clean the spark plugs; 5. Replace the engine; 6. Replace the coolant temperature sensor. The method to reset the engine malfunction light is to start and turn off the vehicle three times consecutively. Reasons for the engine malfunction light to illuminate include: 1. Poor-quality or substandard gasoline; 2. Faulty oxygen sensor; 3. Faulty air flow sensor; 4. Spark plug carbon buildup; 5. Engine knocking; 6. Damaged coolant temperature sensor; 7. Engine misfire.