News Flash . . .   GET RIGHT IN !!  Wait time for diesel emission tests is usually less than 10 minutes. 

       Walk ins welcome, or use our online Appointment Scheduler!!   It's easy to use and it's free. Need help?  Call our shop at 303-937-8485.

L&N Diesel Emission Testing and Repair

Denver's Best Diesel Emission Shop

1700 W. Mississippi Ave., Denver CO 80223 303-937-8485

About L&N

        L & N Diesel Emissions Testing & Repair is a local, family owned DOT shop. We opened in 2003. Our facility offers light duty, heavy duty and all wheel drive diesel emission testing and repair services. Our diesel and gas mechanics are trained and certified specialists. We offer automotive repairs you can trust. We promise your vehicle will be treated with personal care and the utmost respect that most big repair shops cannot provide. Our goal is serve you and be the best diesel emission shop in Denver now and in the future.
       We provide complete auto emission testing, service and repair at our Denver shop. Our emission specialists know that the emission system in your diesel car or truck is the key to great performance.
      * Licensed and Insured
      * Certifed Mechanics
      * Certified Smog Testing Experts


Honest. Professional. DOT Certified

       Let us help with an efficient and clean performance of your vehicle's engine under all types of operating and Denver driving conditions. Our shop is a leading Denver emissions testing center for both foreign and domestic diesel vehicles. Every emission technician in our facility is highly qualified and trained to use our state of the art emission testing equipment. Our technicans work to make sure your vehicle is operating at peak performance when driving the streets of Denver. L & N Diesel Emissions Testing & Repair is your one stop shop location!
      * Professional
      * Quick - In and out DOT inspections and VIN help
      * Honest
      * The best diesel emissions center in Denver, Colorado
      * Serving Denver, Lakewood, Littleton and all Metro-Denver


L&N Products and Services

Click on any of the images below to enlarge.


Make An Appointment Online

Please use the button below to set up an appointment for your Diesel Emission Inspection or VIN verification.
We can do inspections on Light, Medium, All Wheel Drive, Sprinter Vans as well as VIN Verifications.
Simply TAP or click on the button below. Works with desktop as well as mobile devices.
It's simple to do and it's and Free!

I want to set up an appointment now!


Ways to Contact Us     303-937-8485

Please use the buttons below to contact us. If you are on a smart phone or ipad you can TAP the button,
if you are on a desktop you can just dial our number on your phone.

To contact us, Click on this button

Phone: 303-937-8485 Cell Phones TAP to Call

TAP to Send Us a Text Message from Phone

TAP or Click to read our L&N FlipBook Primer

Google Area Map