Complete Auto Diagnostic

Complete Auto Diagnostic Complete Auto Diagnostic of Thurmont, Maryland, is an auto repair shop you can depend on.

Our team has more than 25 years of auto repair experience, so count on us to make effective repairs and provide honest service. Although we specialize in services for company vehicles, we also perform maintenance and repairs for individual car owners. When you bring your car to us for vehicle maintenance or repairs, we fix it and keep it safe until you pick it up. We aim to please our customers, s

o we are thorough and stand behind our work. Our goal is to do the work right the first time to help you avoid having to bring your car back.

Spring into Summer!!Summer special A/C service, Oil Change, and Tire Rotation $349.99 R134A Refrigerant Only! Call 240-...
06/06/2026

Spring into Summer!!
Summer special A/C service, Oil Change, and Tire Rotation $349.99
R134A Refrigerant Only!
Call 240-288-8320 to schedule your appointment!

01/01/2026

Happy New Year's!!!

12/25/2025

Complete Auto Diagnostic extends warm wishes to everyone for a safe and merry Christmas!🎄

11/27/2025

Happy Thanksgiving!🦃 Have a Safe and Blessed Thanksgiving to you and your family from our family! Complete Auto Diagnostic!

11/15/2025
10/30/2025

1320 likes, 54 comments. “ ”

Address

1021 FSK Highway
Keymar, MD
21757

Opening Hours

Monday 9am - 5pm
Tuesday 9am - 5pm
Wednesday 9am - 5pm
Thursday 9am - 5pm
Friday 9am - 5pm

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