Emissions Testing and Repair

Emissions Testing

In Utah, state and local authorities require that vehicles meet emissions standards through statewide applied emissions tests, in order to ensure that each vehicle is meeting target emissions requirements. Master Lube can help you be compliant with state regulations by testing and repairing your vehicle’s emissions system, as we do with all auto maintenance.


Reducing Vehicle Emissions

There are a number of things that you can do to ensure that your vehicle has lower emissions, in general. This contributes to better a better air quality and healthier Utah for everyone. Here are some of Master Lube’s recommended suggestions:
  • Getting higher quality gasoline, such as middle or premium-grade.
  • Using gasoline additives to keep your engine carburetor clean, as well as other components.
  • Getting regular oil changes at the recommended intervals of time and distance.
  • Keeping your tires inflated to a proper level for better fuel efficiency.

Why Master Lube?

Easy. You don't want to spend any more time having these tests and inspections performed than you absolutely have to, and Master Lube prides itself on doing the job right and getting you in and out fast. Master Lube technicians perform these tests millions of times each year.

*Please note: Not all Master Lube service centers offer Inspections and Emissions Testing. Please call ahead to ensure the services are available.

Emissions Repairs

If your vehicle fails its emissions test, you don’t need to worry. For most vehicles, some simple maintenance and repairs can usually reduce the emissions levels down to a safe and compliant level. Here are some of the systems in your vehicle that directly impact its emissions levels:

  • Catalytic Converter: A device in your vehicle’s exhaust system that converts gases like carbon monoxide, nitrogen, and hydrocarbon into safer gases, thus reducing your emissions.
  • Air Injector: Your air injection system is controlled by a pump, as well as a series of check-valves and control valves. If any of these components is out of alignment, it impacts your vehicle’s ability to filter outside air into your exhaust system, which lets harmful gases build up.
  • EGR: EGR stands for exhaust gas recirculation. This device is located by the intake manifold and controls the intake flow of exhaust gases. By limiting the exhaust gases entering the intake manifold, it prevents over creation of oxides in the nitrogen formation.
  • Oxygen Sensor: Another component your in exhaust system that senses the oxygen levels in your vehicle’s exhaust gases. A broken oxygen sensor will send incorrect information to your on-board computer system, which causes misaligned fuel to air ratio.

Emission Inspections

2018 Emission Inspection Requirements
Vehicle Model Year Emission Inspection
2018 Not required
2017 Not required
2016 Required in 2018
2015 Not required
2014 Required in 2018
2013 Not required
2012 to 1968 Required in 2018
1967 and older Not required

Contact Us for an Emissions Test, Today!


West Valley

(801) 666-4337



(801) 938-8035



(801) 666-4338