For more than two decades, Smog Busters Test Only Station in Van Nuys California has been the best has been leading the way in excellent and efficient service among test only stations in the Los Angeles area. We certify cars, trucks, motor homes, SUVs, gross polluters, out of state vehicles & also diesel vehicles. Call or come visit us even if you do not have an appointment, where you will receive accurate results with our fast, friendly, and professional service. We will certify your vehicle and give you a certificate. A Test Only Center is just that - a smog test only facility. Diagnostics or repairs cannot be performed at a Test Only Center - just a smog inspection, also known as a smog check, smog test, or smog exam. The equipment and Smog Check Procedure is the same at a Test Only