If the check engine light illuminates, it will either blink or remain constant, depending on the problem. Either way, you should have the vehicle checked by a Qualified Service Technician as soon as possible.
If the light is steady. The problem is not an emergency, but you should schedule an appointment as soon as possible.
A blinking light usually indicates a severe engine misfire allowing unburned fuel to be dumped into the exhaust system. There it can quickly raise the temperature of the catalytic converter to a point where damage is likely, requiring an expensive repair. If this occurs, you should reduce power and have the vehicle checked as soon as possible.
Most Common Causes of a Check Engine Light
1. Replace Oxygen Sensor
2. Loose or Faulty Petrol Cap
3. Replace Catalytic Convertor
4. Replace Mass Airflow Sensor
5. Replace Spark Plugs and Wires
Do not just start replacing parts. Use a code reader to find the reason behind the check engine light.
