Fast, Accurate European Auto Check Engine Light Diagnostics in Walnut Creek


With dozens of potential causes and problems, the check engine light can quickly turn owning a European car from a luxury to an expensive hassle. When the check engine light comes on, it’s important that you act quickly to have your car diagnosed & find what’s causing it. Driving with the light on too long can lead to larger, more expensive repairs and long-term issues with your car’s performance. At M Service, Inc. we offer European auto owners all throughout the Walnut Creek area affordable, accurate check engine diagnostics & repairs

European Auto Service Specialists 


At M Service, Inc. we specialize in services & repairs for all models of: 

With each make & model having unique service requirements, our ASE certified mechanics understand how important accuracy & attention to detail are for your car. Our shop is fully equipped with all the latest factory-grade tools & equipment available, allowing us to handle everything from initial inspections & diagnostics to any repairs necessary to your car. 

Common Check Engine Light Causes Include 

  • Failing Catalytic Converter 
  • Faulty Spark Plugs or Wires 
  • Loose or Broken Gas Cap 
  • Failing Mass Airflow Sensor 
  • Faulty Alternator 
  • Ignition Coil Issues 
  • Vacuum Leaks 

With decades of experience, our technicians have seen just about everything that can cause your check engine light to come on and we’re confident we can get the issue repaired quickly. Backed by our 24-month/24,000-mile warranty, it’s never been easier to get the peace of mind you want without the expensive, time consuming hassle of the dealership

Schedule an Appointment Today


If your car’s check engine light is on, don’t put off service any longer! Instead, see why M Service, Inc. is the number one dealership alternative for European auto owners throughout Walnut Creek & surrounding areas like: 

Please call or visit our shop today to learn more or to schedule your car’s next service appointment with one of our mechanics.

M Service Inc. is committed to ensuring effective communication and digital accessibility to all users. We are continually improving the user experience for everyone, and apply the relevant accessibility standards to achieve these goals. We welcome your feedback. Please call M Service, Inc. (925) 932-8744 if you have any issues in accessing any area of our website.