Straightline Diesel repair and emissions

Straightline Diesel Repair and Emissions, 2211 East 49th Avenue, Denver, Colorado 80216, is an auto repair shop that also handles emissions testing. They specialize in diesel work and serve passenger cars, diesel light and commercial vehicles, including fleet vans. Services include VIN verification, OBD-II diagnostics, emissions testing, and diesel exhaust repairs. Open Monday through Friday 8 am to 5 pm. The team is known for fast, friendly service, fair pricing, and honest guidance, with strong fleet support and a reputation for getting diesels back on the road quickly.

Smog inspection station

Test and Repair

Denver, CO

Contact

Address 2211 E 49th Ave, Denver, CO 80216, United States

Phone +1 720-355-7164

Hours

Monday 8 am–5 pm

Tuesday 8 am–5 pm

Wednesday 8 am–5 pm

Thursday 8 am–5 pm

Friday 8 am–5 pm

Saturday Closed

Sunday Closed

Services

Station Type Test and Repair

Test Types

Diesel Opacity OBD-II

Vehicles Served

Passenger Cars Light Diesel Commercial

Languages English, Spanish

Practical Information

Appointments Recommended

Typical Wait Under 15 minutes

Pricing Contact for pricing

Rating

4.9 / 5

Based on 38 reviews

4.8 / 5

Emissions Testing rating (6 reviews)

Location

Denver, Colorado

More stations in Denver

Making the Most of Your Visit to Straightline Diesel repair and emissions

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. Straightline Diesel repair and emissions 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 Straightline Diesel repair and emissions. 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. Straightline Diesel repair and emissions currently has 38 reviews with a 4.9 out of 5 rating, which can provide insights into service quality, wait times, and professionalism.

Visit Checklist

1

Verify Certification

Ensure Straightline Diesel repair and emissions is an active, licensed emissions testing station in Colorado.
2

Check Reviews

Read recent customer feedback from other Denver drivers to understand typical wait times and service quality.
3

Confirm Services

Call ahead to confirm the types of tests offered. Appointments are recommended but walk-ins may be accepted.
4

Bring Required Documents

Have your registration or renewal notice, ID, and any required paperwork ready when visiting the station.
5

Ask About Retest Policies

Some stations offer discounted or free retests if your vehicle fails. Ask for details up front.

* This guide is for informational purposes only. Always confirm emissions testing requirements and policies with your local Colorado authorities.

FAQ

Common questions

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

Where is Straightline Diesel repair and emissions located?

Straightline Diesel repair and emissions is located at 2211 E 49th Ave, Denver, CO 80216, United States in Denver, Colorado.

What services does Straightline Diesel repair and emissions offer?

Straightline Diesel repair and emissions is categorized as a Smog inspection station and operates as a Test and Repair station offering Diesel Opacity, OBD-II testing for passenger cars, light diesel, commercial.

Does Straightline Diesel repair and emissions provide Emissions Testing?

Yes, Straightline Diesel repair and emissions provides Emissions Testing in Denver, CO. Available test types include Diesel Opacity, OBD-II.

What are the hours for Straightline Diesel repair and emissions?

Straightline Diesel repair and emissions is open: Monday 8 am–5 pm, Tuesday 8 am–5 pm, Wednesday 8 am–5 pm, Thursday 8 am–5 pm, Friday 8 am–5 pm, Saturday Closed, Sunday Closed.

How can I contact Straightline Diesel repair and emissions?

You can reach Straightline Diesel repair and emissions by phone at +1 720-355-7164, or by visiting 2211 E 49th Ave, Denver, CO 80216, United States.

Do I need an appointment at Straightline Diesel repair and emissions?

Straightline Diesel repair and emissions recommends scheduling an appointment but also accepts walk-ins. Contact them directly to confirm availability.

How long does Emissions Testing take at Straightline Diesel repair and emissions?

Typical wait time at Straightline Diesel repair and emissions is Under 15 minutes.

What do customers say about Straightline Diesel repair and emissions?

Straightline Diesel repair and emissions has a 4.9 out of 5 rating based on 38 reviews. For Emissions Testing specifically, they hold a 4.8 out of 5 rating.