Why does the engine fault light keep coming on?
1 Answers
The reasons why the engine fault light keeps coming on are: 1. Oxygen sensor failure; 2. Poor engine maintenance; 3. Use of low-quality fuel; 4. Poor combustion of the air-fuel mixture; 5. Dirty air filter; 6. Air flow sensor failure; 7. Spark plug carbon buildup; 8. Damaged coolant temperature sensor; 9. Engine misfire. The components of an engine include: 1. Valve train; 2. Crankshaft and connecting rod mechanism; 3. Ignition system; 4. Cooling system; 5. Lubrication system; 6. Fuel supply system. Engine maintenance items include: 1. Regular oil and oil filter replacement; 2. Keeping the crankcase well-ventilated; 3. Regular crankcase cleaning; 4. Regular fuel system cleaning; 5. Regular radiator maintenance; 6. Fuel system maintenance and cleaning.