Emissions Testing and Compliance in Denver, CO and Kalispell, MT

Emissions Testing and Compliance in Denver, CO, and Kalispell, MT

Whether you're preparing for state inspections or maintaining EPA and CARB compliance, our certified technicians perform in-depth diagnostics and testing on all major aftertreatment systems. From opacity tests to SCR system diagnostics, we identify and resolve emissions issues before they impact your operations. Our team ensures your trucks meet local, state, and federal regulations—and we do it quickly, accurately, and efficiently.

Emissions Compliance Services

We deliver comprehensive emissions testing and aftertreatment diagnostics for commercial diesel vehicles. Our services include:

• Smoke opacity testing and reporting
• DPF and SCR system evaluation
• NOx and soot level monitoring
• Exhaust backpressure and temperature analysis
• Aftertreatment fault code diagnosis
• Regeneration cycle support and verification
• Sensor calibration and testing
• Emissions control system repair and replacement
• Compliance certificate issuance
• Emissions documentation for DOT, EPA, and CARB reporting

Whether you’re facing an upcoming inspection or trying to clear a failed test, we offer both mobile and in-shop testing and repair options.

What Makes Us Different

Our shops are equipped with the latest diagnostic tools, and our technicians are trained on the most complex aftertreatment systems in the industry. We don’t just test—we help you understand the source of any failure and complete the required repairs to keep you road-ready and compliant. With locations in Denver and Kalispell, and 24/7 mobile service available, we’re your emissions partner wherever the road takes you.

Need Emissions Compliance Services?

Need to schedule emissions testing or resolve a compliance issue? Call Iron Buffalo at 303-623-7049 (Denver) or 406-890-7001 (Kalispell). We’ll make sure your diesel truck meets all emissions standards.

FAQs

What Areas Do You Serve?

We offer 24/7 mobile repairs and roadside assistance in the following areas:

Colorado: Boulder, CO; Aurora, CO; Centennial, CO; Fort Collins, CO; Greeley, CO; Georgetown, CO; Brighton, CO; Castle Rock, CO; Colorado Springs, CO; and Longmont, CO.

Montana: Whitefish, MT; Bigfork, MT; Somers, MT; Polebridge, MT; Thompson Falls, MT; Polson, MT; Rollins, MT; Libby, MT; and Eureka, MT.

What Happens If My Truck Fails an Emissions Test?

We’ll run diagnostics to determine the cause, perform the necessary repairs, and re-test your vehicle to ensure it meets all regulatory standards.

Are You Equipped for Fleet Emissions Testing?

Yes. We offer mobile and in-shop emissions testing for fleets, along with compliance reporting and repair services across multiple vehicles.

How Can I Get in Touch?

If you're ready to schedule diesel repairs, call Iron Buffalo today at 303-623-7049 (Denver) or 406-890-7001 (Kalispell).