Why is My Check Engine Light On?

The check engine light is a major nuisance at best and a signal of a serious issue at worst. But, which one is yours? Our trained and certified technicians at LaFontaine Hyundai Livonia can help you determine what exactly the culprit is for your warning light.

What is the Check Engine Light For?

Your check engine light is also known as a malfunction indicator lamp. It varies, depending on the vehicle you drive. It is an icon that is the shape of an engine, and some say “check” or “check engine” on them. If it is illuminated, it means that your vehicle has an issue that needs to be corrected.

What are Common Causes for It to Turn On?

There are lots of issue that can cause your check engine light to come on. While it could be a minor issue, a flashing light indicates a serious issue that should be corrected as soon as possible.

  • You have a loose gas cap.
  • There’s an issue with your vehicle’s powertrain.
  • Your oxygen sensor needs to be replaced.
  • You have a faulty catalytic converter.
  • You need a new mass airflow sensor.
  • It’s time for new spark plugs.

How Do I Determine Why Mine is On?

It can be difficult to determine exactly why your check engine light has turned on. The check engine light is part of your vehicle’s onboard diagnostic system so it will require diagnostic work to determine exactly why it has illuminated. Our Hyundai service technicians have the equipment necessary to find the culprit for you. We will use a scan tool to read the code that was sent to your system and triggered the light to begin with.

We don’t just have the necessary tools to determine why your check engine light is on. We’ll also ensure that no matter what the issue is, it’s expertly repaired. If you need genuine Hyundai parts for a replacement, we can take care of that for you too. If your check engine light has come on, don’t ignore it! Visit our Hyundai dealership in Livonia, MI to see what the issue is and have it fixed today. We’ll get you back on the road in no time!