What Causes the Car Engine Yellow Light to Stay On?
1 Answers
Car engine yellow light staying on is caused by: 1. Poor gasoline quality leading to incomplete combustion of the air-fuel mixture in the cylinder, resulting in carbon deposits; 2. Excessive engine mileage causing weakened spark plug performance; 3. Vehicle mechanical aging or damage; 4. Sensor or computer board failure. Solutions for a car engine yellow light staying on include: 1. Cleaning engine carbon deposits; 2. Replacing with qualified fuel; 3. Conducting a comprehensive vehicle inspection and repair. Engine maintenance methods are: 1. Using qualified engine oil; 2. Using qualified coolant and antifreeze; 3. Regularly cleaning radiator scale; 4. Regularly cleaning engine carbon deposits; 5. Regularly replacing the car's three filters; 6. Maintaining reasonable engine speed.