AAMCO San Marcos, TX

1206 Highway 123, San Marcos, TX 78666

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LOCAL & TRUSTED

At AAMCO San Marcos, TX, our technicians are skilled specialists who use their expertise and top-notch diagnostic equipment to troubleshoot, so that you save time and money.

CUSTOMER REVIEWS

Top Reasons Your Check Engine Light May Be On

  • A problem with the Mass Air Flow (MAF) sensor or circuit.
  • System Running Too Lean. An oxygen sensor detected a lean condition (too much oxygen in the exhaust).
  • System Running Too Rich: The oxygen sensor detected a rich condition (or a too-high fuel to oxygen ratio).
  • Cylinder Misfire: Random or multiple misfires in your engine.
  • Knock Sensor Circuit Malfunction.
  • Insufficient EGR (Exhaust Gas Recirculation) Flow.
  • Catalyst System Efficiency below Threshold.

At AAMCO San Marcos, TX, our technicians understand the reasons why your check engine light might be on, they’ll quickly pin-point what is causing the problem and will recommend only what needs repair. 
Call us today for your FREE engine light check by one of our certified technicians.

Locally owned and proudly operated by Pat and Jaye Patton

AAMCO San Marcos, TX

OUR ADDRESS

1206 Highway 123, San Marcos, TX 78666
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Monday - Friday | 08:00 AM - 06:00 PM

Saturday | 08:00 AM - 12:00 PM

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Specialists in Automatic, Manual, Front Wheel Drive, Overdrive and 4x4's

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Most General Repair Services Available

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We Honor Most Extended Warranties

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Family Owned and Operated

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Fleet Services Available

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Nationwide Coverage on All Transmission Services