What to Do When the Engine Fault Light Comes On?

[LeMadeline]

The solutions for when the engine fault light comes on are: 1. Promptly check the condition of the car engine; 2. Inspect the status of the car's sensors, air flow sensor, and spark plug components; 3. Check for any engine knocking; 4. Examine the ignition coil for faults; 5. Severe engine carbon buildup. The reasons for the engine fault light coming on are: 1. Poor gasoline quality leading to incomplete combustion of the air-fuel mixture in the cylinder, causing carbon buildup; 2. Excessive engine mileage, weakening the spark plug's performance; 3. Aging of vehicle mechanics; 4. Damage, poor contact, or signal interruption of the coolant temperature sensor, crankshaft position sensor, air flow sensor, intake air temperature sensor, or oxygen sensor.