Check Engine Light On But Car Runs Fine Reddit
Possible Causes
There are a number of possible causes for the check engine light to come on, even if your car seems to be running fine. Some of the most common causes include:
- Loose gas cap
- Faulty oxygen sensor
- Catalytic converter problems
- Evaporative emissions system leak
- Ignition system problems
- Transmission problems
- Computer problems
What to Do
If your check engine light comes on, the first thing you should do is check your gas cap. If the gas cap is loose, tighten it and see if the light goes off. If the light stays on, you should take your car to a mechanic to have it diagnosed.
The mechanic will be able to use a diagnostic scanner to read the trouble codes that are stored in the car’s computer. These codes will help the mechanic to identify the problem and make the necessary repairs.
Ignoring the Check Engine Light
It is important to not ignore the check engine light. If you ignore the light, the problem that is causing it to come on could get worse and lead to more serious damage to your car. In some cases, ignoring the check engine light could even lead to your car being unsafe to drive.
Conclusion
If your check engine light comes on, the best thing to do is to take your car to a mechanic to have it diagnosed. Ignoring the light could lead to more serious problems down the road.
Additional Resources
- Check engine light on but car runs fine
- What Does the Check Engine Light Mean?
- Check Engine Light Codes
