Working Hours
  • Mon 8:00AM - 5:00PM
    Tue 8:00AM - 5:00PM
  • Wed 8:00AM - 5:00PM
    Thu 8:00AM - 5:00PM
  • Fri 8:00AM - 5:00PM
    Sat Closed
  • Sun Closed
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301-829-6100 | 1006 Rising Ridge Rd Mt. Airy, MD 21771

Smog Check: Testing and Repairs

Smog Check: Testing and Repairs

Smog Check: Testing and Repairs

*Please bring your DMV renewal notice indicating a Smog Check is required with you and your Smog Check certificate will be electronically sent to the DMV.

Why Choose Twin Ridge Auto and Light Truck Service in Mt. Airy for Your Smog Testing and Repair

    Specialized smog check service station in Mt. Airy
  • Smog test and repair options to minimize cost and maximize convenience
  • Smog failure diagnosis with onsite repair and smog retesting
  • State-of-the-art automotive smog repair systems and tools
  • Over [YEARS] years of experience
  • We participate in the California State Free Smog Testing Program
  • Ask about smog repair discounts and coupons

your neighboorhood's Trusted Source for Smog Testing and Repair
Drivers near your neighboorhood return to Twin Ridge Auto and Light Truck Service every two years for fast, affordable, and friendly smog testing and repair. We are driving distance from you, just [XROADMINS] from [XROAD]. Ask any car or truck owner in your neighboorhood who they recommend for smog testing and repair, and they will tell you Twin Ridge Auto and Light Truck Service.

For [YEARS] years, the pro mechanics at Twin Ridge Auto and Light Truck Service have provided quick smog testing and cost-effective smog repairs when needed. Start a maintenance service plan with Twin Ridge Auto and Light Truck Service that can help prevent high-cost repairs to your emission system. We are professional, honest, and friendly. For 5 star, cost conscious smog testing and repair services call Twin Ridge Auto and Light Truck Service at 301-829-6100 to schedule an appointment today or stop by our location at 1006 Rising Ridge Rd in Mt. Airy, MD, 21771.

What Does Twin Ridge Auto and Light Truck Service Do During a Smog Check?
We inspect your car or truck's emissions-control equipment to measure the number of pollutants your vehicle is emitting.

First, Twin Ridge Auto and Light Truck Service will analyze your car or truck's OBD computer system, emissions-control system, and check engine light codes for standard warnings that your emissions system is no longer functioning properly.

Next, Twin Ridge Auto and Light Truck Service will inspect your car or truck's gas cap, ignition timing, exhaust gas recirculation system, fuel, and evaporative system.

Finally, Twin Ridge Auto and Light Truck Service will perform a Tailpipe Emissions Inspection which measures the type and quantity of any pollutant emitted from your vehicle's tailpipe.

Did You Pass Your Smog Test?
Great! If your vehicle passes a smog check, Twin Ridge Auto and Light Truck Service will provide you a vehicle inspection report showing your vehicle's results and will electronically send the smog certificate to DMV.

Smog Check: Testing and Repairs
Smog Testing vs. Emissions Testing


What Our Customers Are Saying

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We have had Scott and Earl work on our cars for over 20 years. They helped us get 430K out of our Toyota Echo before the A/C failed and it just didn't make economical sense to repair. We know they will always give us an honest opinion on what needs to be done and charge a fair price. They are a pleasure to work with.

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Scott, Eric and the gang are a good bunch to work with. Having worked in the industry myself for a number of years, I know when a shop doesn't have it's stuff together. They are honest and do a good job.....what more could you ask for?

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Trustworthy, kind, and fair. What else could you want or expect from your mechanic? We wouldn't take our cars anywhere else.

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Great service and I can trust them with my car. Highly recommended.

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Very pleased with the work that Twin Ridge Auto did on my wife's minivan. The communication was excellent and the speed of the service exceeded my expectations!

  • ASE (Automotive Service Excellence)
  • IDENTIFIX
  • IATN (International Automotive Technicians' Network)
  • NFIB (National Federation of Independent Business)
  • BG Products
  • Amsoil
  • BNI
  • Mastercraft Tires
  • Mt Airy Chamber of Commerce
  • Car Care Aware
  • Call Us For Service: 301-829-6100