Car Engine Light: What It Means and What to Do
What is the Car Engine Light?
The car engine light, also known as the check engine light or malfunction indicator lamp (MIL), is a warning light that illuminates on your dashboard when the engine control module (ECM) detects a problem with the engine or emissions control system.
The engine light can be triggered by a variety of issues, ranging from minor problems to more serious ones. Some of the most common causes of the engine light include:
- Loose or faulty gas cap
- Oxygen sensor failure
- Spark plug or ignition coil failure
- Catalytic converter failure
- Engine misfire
- Transmission problems
- Emissions control system problems
What to Do When the Engine Light Comes On
If the engine light comes on, it’s important to take action as soon as possible. Ignoring the engine light can lead to further problems with your car, and it can even be dangerous.
Here are some steps to follow when the engine light comes on:
- Pull over to a safe location. If you can, pull over to a safe location and turn off the engine.
- Check the gas cap. A loose or faulty gas cap is one of the most common causes of the engine light. Make sure the gas cap is tight and secure.
- Check the engine oil level. Low engine oil can also cause the engine light to come on. Check the oil level and add oil if necessary.
- Have the car scanned for codes. The next step is to have the car scanned for codes. This will help identify the specific problem that is causing the engine light to come on.
- Take the car to a mechanic. If you’re not able to fix the problem yourself, take the car to a mechanic. They will be able to diagnose the problem and make the necessary repairs.
Conclusion
The car engine light is an important warning light that should not be ignored. If the engine light comes on, it’s important to take action as soon as possible. By following the steps outlined above, you can help identify the problem and get your car back on the road safely.