Smog Check: Testing and Repairs

Smog Check: Testing and Repairs

Smog Checks in Chicago

*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 Supreme Auto Ltd. in Chicago for Your Smog Testing and Repair

• Specialized smog check service station in Chicago
• 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

Chicago's Trusted Source for Smog Testing and Repair

Ask any car or truck owner in Chicago who they recommend for smog testing and repair, and they will tell you Supreme Auto Ltd..

Since 1988, the pro mechanics at Supreme Auto Ltd. have provided quick smog testing and cost-effective smog repairs when needed. Start a maintenance service plan with us that can help prevent high-cost repairs to your emission system. We are professional, honest, and friendly. For five star, cost conscious smog testing and repair services call Supreme Auto Ltd. at 773-745-4660 to schedule an appointment today or stop by our location at 3067 N Harlem Ave in Chicago, IL, 60634.

What Does Supreme Auto Ltd. 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, Supreme Auto Ltd. 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, Supreme Auto Ltd. will provide you a vehicle inspection report showing your vehicle's results and will electronically send the smog certificate to DMV.