L & N Diesel Emissions Testing & Repair

L & N Diesel Emissions Testing & Repair, 1700 W Mississippi Ave Unit A, Denver, CO 80223, is a dedicated emissions station offering diesel emissions testing and repair. Open Monday through Friday 8:30 am to 4 pm, Saturdays 8:30 am to 12 pm, Sundays closed. They handle diesel vehicles including heavy duty and RVs, with VIN verification for out of state registrations and online appointment scheduling. Customers praise fast, friendly and affordable service, often in and out in minutes. Cash, credit card, debit card and checks are accepted. Free retests when applicable.

Car inspection station

Test and Repair

Denver, CO

Contact

Address 1700 W Mississippi Ave unit a, Denver, CO 80223, United States
Phone +1 720-527-3445
Website https://diesel-emission.com/
Hours
Monday 8:30 am–4 pm
Tuesday 8:30 am–4 pm
Wednesday 8:30 am–4 pm
Thursday 8:30 am–4 pm
Friday 8:30 am–4 pm
Saturday 8:30 am–12 pm
Sunday Closed

Services

Station Type Test and Repair
Test Types
OBD-II Diesel Opacity
Vehicles Served
Passenger Cars Light Diesel Heavy Diesel Commercial RVs/Motorhomes
Languages English, Spanish

Practical Information

Appointments Recommended
Typical Wait Under 15 minutes
Pricing $50 - $85
Retest Policy Free Retest
Payment
Cash Credit Card Debit Card Check

Making the Most of Your Visit to L & N Diesel Emissions Testing & Repair

Choosing the right emissions testing station in Denver, Colorado can save you time, reduce stress, and help ensure your vehicle passes its inspection on the first try. L & N Diesel Emissions Testing & Repair is one of the licensed emissions testing locations in the area, and preparing properly before your visit can make the process smoother.

Understanding Colorado Emissions Testing Requirements

Emissions Testing rules in Colorado vary by vehicle type, registration ZIP code, and model year. Since requirements can differ even within Denver, confirm what applies to you before heading to L & N Diesel Emissions Testing & Repair. Our Colorado Emissions Testing guide outlines current rules, exemptions, and testing intervals.

Before Your Emissions Testing

To help make your emissions testing quick and successful, consider preparing the following:

  • Confirm your registration address requires testing.
  • Ensure your check engine light is off and no recent codes have been cleared.
  • Warm up your vehicle by driving 10 to 15 minutes before testing.
  • Bring your registration or renewal notice and a valid photo ID.

Why Reviews Matter

Customer experiences can vary, so reading feedback from other drivers can help you understand what to expect. L & N Diesel Emissions Testing & Repair currently has 331 reviews with a 4.6 out of 5 rating, which can provide insights into service quality, wait times, and professionalism.

FAQ

Common questions

Have a question not covered here? Contact us and we will respond within one business day.

Where is L & N Diesel Emissions Testing & Repair located?

L & N Diesel Emissions Testing & Repair is located at 1700 W Mississippi Ave unit a, Denver, CO 80223, United States in Denver, Colorado.

What services does L & N Diesel Emissions Testing & Repair offer?

L & N Diesel Emissions Testing & Repair is categorized as a Car inspection station and operates as a Test and Repair station offering OBD-II, Diesel Opacity testing for passenger cars, light diesel, heavy diesel, commercial, rvs/motorhomes.

Does L & N Diesel Emissions Testing & Repair provide Emissions Testing?

Yes, L & N Diesel Emissions Testing & Repair provides Emissions Testing in Denver, CO. Available test types include OBD-II, Diesel Opacity.

What are the hours for L & N Diesel Emissions Testing & Repair?

L & N Diesel Emissions Testing & Repair is open: Monday 8:30 am–4 pm, Tuesday 8:30 am–4 pm, Wednesday 8:30 am–4 pm, Thursday 8:30 am–4 pm, Friday 8:30 am–4 pm, Saturday 8:30 am–12 pm, Sunday Closed.

How can I contact L & N Diesel Emissions Testing & Repair?

You can reach L & N Diesel Emissions Testing & Repair by phone at +1 720-527-3445, online at https://diesel-emission.com/, or by visiting 1700 W Mississippi Ave unit a, Denver, CO 80223, United States.

Do I need an appointment at L & N Diesel Emissions Testing & Repair?

L & N Diesel Emissions Testing & Repair recommends scheduling an appointment but also accepts walk-ins. Contact them directly to confirm availability.

How long does Emissions Testing take at L & N Diesel Emissions Testing & Repair?

Typical wait time at L & N Diesel Emissions Testing & Repair is Under 15 minutes.

How much does Emissions Testing cost at L & N Diesel Emissions Testing & Repair?

Pricing for Emissions Testing at L & N Diesel Emissions Testing & Repair is typically $50 - $85. Contact them directly for exact pricing.

What payment methods does L & N Diesel Emissions Testing & Repair accept?

L & N Diesel Emissions Testing & Repair accepts Cash, Credit Card, Debit Card, Check.

What do customers say about L & N Diesel Emissions Testing & Repair?

L & N Diesel Emissions Testing & Repair has a 4.6 out of 5 rating based on 331 reviews. For Emissions Testing specifically, they hold a 4.7 out of 5 rating.

What happens if my vehicle fails the Emissions Testing at L & N Diesel Emissions Testing & Repair?

L & N Diesel Emissions Testing & Repair offers a Free Retest policy. As a test and repair station, L & N Diesel Emissions Testing & Repair can also help fix issues that caused a failed test.

What languages are spoken at L & N Diesel Emissions Testing & Repair?

Staff at L & N Diesel Emissions Testing & Repair can assist you in English, Spanish.

Does L & N Diesel Emissions Testing & Repair serve out-of-state vehicles?

Yes, L & N Diesel Emissions Testing & Repair can perform Emissions Testing on vehicles registered outside of Colorado.

Other Stations in Denver

View all

Smog inspection station

Air Care Colorado

10190 E Warren Ave, Denver, CO 80231, United States

Emissions Testing Station · OBD-II · ★ 4.0 (2911)

View station

Car inspection station

Air Care Colorado

2300 S Lipan St, Denver, CO 80223, United States

Emissions Testing Station · OBD-II · ★ 4.1 (1599)

View station

Smog inspection station

Akisp Diesel Emissions

2531 W 62nd Ct, Denver, CO 80221, United States

Emissions Testing Station · OBD-II · ★ 4.9 (271)

View station

Diesel engine repair service

Cartech Inc.

1730 W Mississippi Ave A, Denver, CO 80223, United States

Emissions Testing Station · OBD-II · ★ 4.0 (40)

View station