What Causes the Vehicle's Engine Malfunction Light to Illuminate?
1 Answers
Vehicle's engine malfunction light illuminates due to: 1. Sensor damage, poor contact, or signal interruption; 2. Poor engine maintenance; 3. Low-quality fuel and engine oil; 4. Incomplete combustion of the air-fuel mixture; 5. Faulty spark plugs or ignition coils; 6. Fuel pump failure or clogged fuel lines; 7. Clogged air conditioning filter. Solutions for the engine malfunction light: 1. Use fuel additives to clean the entire fuel system; 2. After engine cleaning, use higher-grade gasoline; 3. Improve fuel cleanliness with high-quality fuel additives; 4. Replace the catalytic converter.