
Smog Check: Testing and Repairs
Smog Checks in Brighton
*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 Oak Square Sunoco in Brighton for Your Smog Testing and Repair
- Specialized smog check service station in Brighton
- 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
- We participate in the California State Free Smog Testing Program
- Ask about smog repair discounts and coupons
Brighton's Trusted Source for Smog Testing and Repair
If you need smog testing or repair in Brighton, Oak Square Sunoco is the recommended choice. Since 1960, our expert mechanics have been providing efficient smog testing and affordable repair solutions. To avoid costly emissions system repairs, consider starting a maintenance plan with us. At Oak Square Sunoco, you'll find our team professional, honest, and dedicated to service. For reliable, cost-effective smog testing and repair services, call us at 617-254-9701 to book an appointment or visit us at 602 Washington St in Brighton, MA.
What Does Oak Square Sunoco 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, Oak Square Sunoco 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, we will inspect your car or truck's gas cap, ignition timing, exhaust gas recirculation system, fuel, and evaporative system.
- Finally, we 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, Oak Square Sunoco will provide you a vehicle inspection report showing your vehicle's results and will electronically send the smog certificate to DMV.
Smog Check Repairs
If your car fails the smog test, don't worry-Oak Square Sunoco is here to help. We will collaborate with you to perform the necessary repairs to ensure your vehicle passes the smog test and you receive your certification. Learn more about smog check repairs.
Smog Testing vs. Emissions Testing
Many customers confuse smog and emissions testing, thinking they're the same, but they measure different things. Smog checks and emissions tests assess various levels of hydrocarbons, oxygen, carbon monoxide, and oxides to determine a vehicle's impact on the environment. Discover the difference between smog testing and emissions testing.
Discover More About Exhaust Repair Services At Oak Square Sunoco in Brighton
Learn more about Smog Checks vs Emissions Testing

Contact Us Today!
Got questions? We've got answers! Drop us a line, give us a call, or even stop by. Our team is eager to help you with any auto repair needs you have. Let's get you back on the road safely and swiftly!