Family Owned. Community Trusted. Emissions Done Right.

What We Test

Our technicians inspect your diesel vehicle for:

  • Visible smoke and tampering
  • Readiness of emissions-related systems
  • EGR valves, O2 sensors, and catalytic converters
  • Onboard diagnostics for engine-related faults


We use approved emissions analyzers to verify the operation status of the vehicles OBDII on board computer system and verify that the vehicle’s factory emission system has not been modifies or tampered with in any way.

Our certified team also reviews the model year, weight class, and documentation to determine if your vehicle qualifies under any required exemptions. We’ll also confirm if you need to provide proof of testing for registration through the DMV.

Who We Serve

We test eligible diesel vehicles registered in:

Salt Lake County

Utah County

Davis County

Cache County

Weber County

Our services are available for:

Light-duty trucks and pickups

Passenger cars and SUVs

Small construction vehicles

Select off-highway vehicles

Vehicles owned by residents or dealers

Motorhome are a main part of our business. Also, why would Motorcycles, electric vehicles and trailers be mentioned in a diesel testing section.  We DO safety testing and VIN inspections on motorcycles, electric vehicles, trailers, water craft, snowmobiles.

After the Test

If your vehicle passes, we offer on-the-spot registration renewal and issue your registration sticker during your visit. All DMV paperwork is processed immediately, which helps you avoid long lines and separate trips.

To complete your test, just bring the vehicle, your current vehicle insurance, and payment. We accept all standard forms of payment at the time of service.

Why Choose Bountiful Emissions?

Diesel Emissions Testing FAQs

Who needs diesel emissions testing in Utah?

Diesel vehicles from model years 1998 to 2020 registered in required counties must be tested annually or every other year. If you’re not sure your vehicle qualifies, contact our team for help.

Yes. We provide Utah County diesel emissions testing as well as inspections for Salt Lake County and nearby areas. To check if your location qualifies, get in touch and we’ll confirm it for you.
Bring your car, proof of vehicle insurance, and any recent registration documents. We’ll handle everything else from testing to filing with the DMV. For a full checklist, contact us.

Most test take 10 minutes. That includes inspection, documentation, and registration renewal if your vehicle passes. For current wait times, feel free to reach out directly.

The only exemptions are:

  • Diesel vehicles with a GVWR greater than 14,001 lbs
  • Diesel vehicles from model year 1997 and older
    If you think your vehicle qualifies, send us a message and we’ll check it for you.

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