What to Do When the Engine System Malfunction Indicator Light Comes On?

[EloiseLynn]

Engine system malfunction indicator light on the solution is: 1. After turning off the engine, turn the ignition switch to the ON position; 2. Open the engine compartment and the fuse box cover, refer to the diagram on the fuse box cover to locate and remove the 30A fuel injection fuse, then reinstall it after a few seconds; 3. Turn off the ignition switch, then turn it back to the ON position to start the car, and the malfunction light will be reset. Reasons for the engine system malfunction indicator light coming on: 1. Sensor damage, poor contact, or signal interruption; 2. Poor engine maintenance; 3. Poor quality fuel or engine oil; 4. Incomplete combustion of the air-fuel mixture; 5. Spark plug or ignition coil failure; 6. Fuel pump failure or fuel line blockage; 7. Clogged air conditioning filter.