Oregon law requires that most vehicles made after 1975 pass a statewide emissions test. This is done to ensure each vehicle is staying within a target emissions goal, which helps make for cleaner air, less pollution, and less environmental effects caused by our cars. At Keith Schulz Garage, we can help you stay compliant with state law by providing emissions tests and conducting repairs and maintenance that reduce emissions.


In order to reduce the amount of emissions that your vehicle produces, our team focuses on several key parts in your vehicle that majorly impact the gases that your engine creates. These parts are as follows:

  • Oxygen Sensor: Your vehicle’s oxygen sensor is what helps the onboard computer system create the proper fuel-to-air ratio. When this sensor is broken, the alignment of fuel and air will be wrong, which will drastically increase the emissions.
  • Air Injector: If any component in your air injector is broken or misaligned, it reduces your car’s ability to use outside air in the fuel supply, which means that the emissions aren’t being “watered down.”
  • Catalytic Converter: This device is critical for breaking down and turning the harmful emissions gases, such as nitrogen, hydrocarbon, and carbon monoxide, into gases that are far less harmful. A bad catalytic converter can more than double your emissions.
  • EGR: Also known as “exhaust gas recirculation”, the EGR is a device that controls the exhaust gases in your vehicle so that they don’t create oxides in the nitrogen formation, which is one thing that causes harmful emissions.

If you want to really get serious about reducing your emissions, there are some day-to-day things that you can do yourself to reduce the impact that your vehicle has on the environment.

Here are some simple tips you can start with:

  • Keeping up on your regular oil changes.
  • Putting gasoline additives in your car to keep the engine clean.
  • Using high-quality gasoline. Get the premium-grade option if you can.
  • Make sure that your tires have a proper inflation level. Poorly inflated tires reduce your fuel efficiency, which causes more emissions.


If you want an emissions test done or need to repair a component in your vehicle that is causing your emissions production to be outside of regulations, then don’t hesitate to give Keith Schulz Garage a call today. Our team of experienced technicians will help you meet state requirements and keep your vehicle as green as it can be!

Need it Fixed? Call Us Today!