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Computerized Diagnostics

Your modern vehicle's engine is a highly sophisticated piece of equipment. Federal Exhaust Emission and Fuel Economy regulations demand that today's vehicles use electronic engine control systems to curb carbon emissions and increase fuel efficiency. With advanced control systems taking the place of simple engine components, common maintenance services such as tune-ups become less vital. Your vehicle still requires regular services (such as spark plug and filter replacements). You will also need computerized analysis of your vehicle's control computer. Our factory-trained technicians provide these basic services.

Here's how your modern vehicle's control computer operates:

A network of sensors and switches convert and monitor engine operating conditions into electrical signals. The computer receives this information, and, based on information and instructions coded within this savvy computer program, it sends commands to three different systems: ignition, fuel, and emission control. When a problem arises—the "check engine" light turns on—our service pros checks it out. Bring in your vehicle, we'll check it out, and you can know if the "check engine" is a real problem, or just a sensor/computer issue.

Here's a brief overview of your vehicle's sensory components:

  • Mass airflow sensor
  • Throttle position sensor
  • Manifold absolute pressure sensor
  • Coolant temperature sensor
  • Exhaust oxygen sensor
  • Crankshaft position sensor
  • Camshaft position sensor
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    Contact Us

    Phone: (314) 832-5357
    Fax:
    Address: 7027 Hampton Ave
    St. Louis, MO 63109
    Phone: 314-644-5995
    Fax:
    Address: 6501 Fyler Ave.
    St. Louis, MO 63139
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    If you’re looking for expert auto repair and tires in St. Louis, MO and Columbia, MO, you’ve come to the right place with Eric's Master Auto Repair. With a wide selection of premium tires and top-notch auto repair and service performed by ASE-certified technicians, Eric's Master Auto Repair is proud to display the ASE Blue Seal of Excellence, a distinction that only 15 percent of auto repair shops in the entire country can claim. With easy appointments, complimentary shuttle service, and loaner vehicles, we take the headaches out of auto repair in St. Louis, MO and Columbia, MO. Schedule an appointment and you’ll find out why customers keep coming back to Eric's Master Auto Repair.