Blog Cover Image

All posts

What the Check Engine Light Actually Means

Published on Jul 10, 2026 by Sue Randles

Understanding Your Check Engine Light

The check engine light is a vital alert system found in most modern vehicles, including Chevrolet and GMC models. When this light illuminates on your dashboard, it indicates that the vehicle's onboard diagnostics system has detected an issue or anomaly. This can range from minor concerns, like a loose gas cap, to more serious engine problems. It's important to address this warning promptly to avoid potential damage and costly repairs.

Common Causes of the Check Engine Light

There are several reasons your check engine light may turn on, and understanding these can help you respond effectively. Some common causes include issues with the ignition system, problems with fuel efficiency, exhaust system malfunctions, or even loose connections in your car's wiring. If you notice your light is on, it's essential to have your vehicle inspected by our trained technicians at Seth Wadley Chevrolet GMC, who can diagnose the problem accurately.

What to Do When the Light Comes On

When your check engine light activates, the first step is to check for any noticeable issues. Is the car running smoothly? Is there any unusual noise or smell? If everything seems normal, you can continue driving, but it's best to have a diagnostic test done as soon as possible. Continuing to drive with the light on can lead to further complications, so make sure to get in touch with our service department for guidance.

Why Choose Seth Wadley Chevrolet GMC?

At Seth Wadley Chevrolet GMC of Perry, Oklahoma, we pride ourselves on providing unparalleled service. Our knowledgeable staff is dedicated to giving you the information and support you need for your vehicle. We use state-of-the-art diagnostic tools to ensure any issues triggering your check engine light are addressed swiftly and accurately. Trust in our expertise to keep your vehicle running optimally.

Your Local Automotive Resource

Our dealership is more than just a place to buy cars; we are a community hub for all your automotive needs. Located at 300 Charles R Hall Drive in Perry, Oklahoma, we are here to help you with everything from routine maintenance to complicated repairs. Whether you have questions about your check engine light or need assistance with another issue, don’t hesitate to reach out.

Reach Out to Our Team

If you're experiencing issues with your check engine light or have any questions, our friendly team is here to assist you. Call our sales department at (580) 307-1031 or our service department at (580) 204-2853 to schedule an appointment or to get more information. We look forward to serving you and keeping your Chevrolet or GMC in top shape.