Check Engine Light| Warning Light Service

Engine Light FAQ

Learn about when your engine needs attention.
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Want to learn more about servicing your vehicle? Visit our full FAQ center or give us a call at (314) 635-9602 to answer any additional questions you may have. We're available and always happy to help at Audi Creve Coeur.

Built for you. A resource to answer your most common service questions regarding your Audi vehicle. Learn how to take care of your investment.

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We offer complimentary initial diagnostics at our dealership, and we can give you the expert opinion.

Free car check in Creve Coeur, St Louis, Ballwin MO | Audi Check Engine Light Diagnostic

With the complexity of today's vehicles, it often takes a highly skilled technician with advanced level tools to get to the root cause of the problem. Our auto diagnostic testing service takes the guess work out repairing your vehicle and is done by certified technicians. As a service department team, our engine diagnostic services help us to provide you with an accurate diagnosis of your vehicle's engine problem and a repair that is done correctly the first time. Your vehicle is more than an engine too, and we know that. To drive safely, it's important to have brakes, tires, and your vehicle aligned properly. The amount of working parts in a vehicle can be overwhelming, that's why we are here to help!

Reasons For Warning Light| Check Engine Light Service

There are many reasons for a check engine light activation that range from something as simple as a loose gas cap to something as serious as a faulty catalytic convertor. A few of the possible problems that could cause your check engine light to activate are loose gas cap,problem with the MAF sensor or circuit, system running too lean or too rich, cylinder misfire, knock sensor circuit malfunction, insufficient EGR (Exhaust Gas Recirculation) flow and more.

Early Warning System

Modern vehicles are now equipped with onboard computers that monitor the critical systems in your Audi that warn you when something is not going right. Your check engine light is your vehicle computer's way of telling you that there may be a problem and your Audi requires Service as soon as possible.