*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.
Ask any car or truck owner in Tucson who they recommend for smog testing and repair, and they will tell you Merle's Automotive Supply.
Since 1969, the pro mechanics at Merle's Automotive Supply 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 Merle's Automotive Supply at 520-889-7202 to schedule an appointment today or stop by our location at 4015 South Dodge Blvd in Tucson, AZ, 85714.
We inspect your car or truck's emissions-control equipment to measure the number of pollutants your vehicle is emitting.
First, Merle's Automotive Supply 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.
Great! If your vehicle passes a smog check, Merle's Automotive Supply will provide you a vehicle inspection report showing your vehicle's results and will electronically send the smog certificate to DMV.