What Does the Engine Light Mean on My Car?

Overview

The engine light is a dashboard warning light that indicates a problem with your car’s engine. It can illuminate for a variety of reasons, ranging from minor issues to major problems. It’s important to pay attention to the engine light and address any problems it may indicate as soon as possible.

Causes of the Engine Light

There are many different causes of the engine light. Some of the most common include:

Loose gas cap
Faulty oxygen sensor
Spark plug problems
Ignition coil issues
Catalytic converter problems
Exhaust system leaks
Engine misfires
Transmission problems
Coolant leaks
Oil leaks

What to Do When the Engine Light Comes On

If the engine light comes on, it’s important to take the following steps:

Check the gas cap. A loose or missing gas cap can cause the engine light to come on. Simply tighten the gas cap and see if the light goes off.
Have the car’s computer scanned. A computer scan can help identify the specific cause of the engine light. This is typically done at an auto repair shop.
Address the problem. Once you know the cause of the engine light, you can take steps to address the problem. This may involve replacing a faulty part, fixing a leak, or performing other repairs.

Ignoring the Engine Light

It’s important to never ignore the engine light. Ignoring the engine light can lead to more serious problems and costly repairs. If the engine light comes on, take the time to address the problem as soon as possible.

Conclusion

The engine light is an important warning system that can help you identify and address problems with your car. By paying attention to the engine light and taking steps to address any problems it may indicate, you can help keep your car running smoothly and avoid costly repairs.