Midas Technicians speak ODB II, and we'll translate your Check Engine light's message. We'll tell you what's happening with your engine or emissions system, and provide a written estimate before making any needed repairs.

Free Fix Finder Service from AutoZone Fix Finder reads Check Engine, ABS, and maintenance lights. The free test takes less than a minute and you'll get an easy to understand report printed and emailed. If you need help with the fix, Fix Finder will even recommend a trusted local shop.

Pep Boys offers a free Check Engine Light Code Retrieval Service to provide the answers you need to help you find a solution. Pep Boys will ensure you are getting the best handling out of your vehicle with a free alignment check.

When it comes to getting a “check engine” light diagnosis, you have a few options:

• An auto repair or parts supply chain.
• Do-it-yourself.
• An independent auto repair shop.

Buy an inexpensive scanner and read the code yourself. This is a particularly good option if you have an older car that might occasionally be showing a check engine light for minor problems.

The average cost for a Check Engine Light Diagnosis & Testing is between $88 and $144. Labor costs are estimated between $88 and $144.

If you can't find a free option and are curious what it might cost, the national average across all vehicles for a check engine light diagnostics service is about $131 to $209.

Visit Your Local AutoZone Store for Free Fix Finder Service AutoZone offers a complimentary Fix Finder service that efficiently diagnoses warning lights, including Check Engine, ABS, and maintenance indicators. Simply visit your nearest AutoZone store when a warning light appears on your vehicle's dashboard.

A loose gas cap is one of the most common reasons for the check engine light to go on. Check that your gas cap is screwed on securely and that it's in good condition. If you have a tank of bad gas in the car, your check engine light may come on.

Connecting to an OBD-II Port You plug an OBD-II scanner tool into it and, in most cases, out pops a code that tells you what the problem is. The scanner also allows you to clear the vehicle's internal code, which is what triggered the check-engine light.

AutoZone offers a complimentary Fix Finder service that efficiently diagnoses warning lights, including Check Engine, ABS, and maintenance indicators.

gas cap Check your gas cap first. Many vehicles have a loose gas cap indicator that will be triggered before your check engine light comes on. If your gas cap is loose or the seal is not tight, the vapor leakage can cause your fuel system to trigger the check engine light.