Clogged or failing EGR systems hurt performance and emissions. Iron Buffalo provides professional EGR cleaning and repair for heavy-duty diesel trucks to restore power and maintain compliance.
EGR Cleaning and Repair in Denver, CO, and Kalispell, MT
Our technicians are trained to inspect, clean, and replace EGR valves and coolers that have become clogged or inefficient. A failing EGR system can lead to reduced power, rough idle, excessive smoke, and failed emissions tests. We restore exhaust flow and help you stay compliant with both state and federal emission standards.
Complete EGR System Services
We provide in-depth service for EGR systems across a wide range of heavy-duty diesel engines. Our services include:
- EGR valve inspection and diagnostics
- Carbon buildup removal and cleaning
- EGR cooler flushing and replacement
- Valve and sensor replacement
- Exhaust flow restoration
- Fault code scanning and clearing
- Regeneration system support
- EGR system calibration and reset
- Emissions compliance verification
We use advanced tools to diagnose and service both high-mileage and newer trucks with complex aftertreatment systems.
What Makes Us Different
Our technicians understand the full emissions system, allowing us to pinpoint and repair faults efficiently. We work with OEM standards and use precision tools to flush EGR coolers, clean carbon deposits, and restore airflow without damaging sensitive components. Whether you’re managing a single truck or a commercial fleet, we make sure your EGR system supports performance—not hinders it.
Need EGR System Service?
If you're experiencing EGR problems or want to prevent future issues, call Iron Buffalo at 303-623-7049 (Denver) or 406-890-7001 (Kalispell). We’ll restore your EGR system and keep your diesel engine compliant and powerful.
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 Are the Symptoms of a Failing EGR System?
Common signs include rough idle, loss of power, excessive smoke, poor fuel economy, and illuminated warning lights. A diagnostic scan can confirm EGR faults.
How Often Should EGR Systems Be Cleaned?
Most heavy-duty trucks benefit from EGR cleaning every 80,000 to 120,000 miles depending on usage and driving conditions. We’ll evaluate and recommend service intervals.
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).
In-House Diesel Mechanic Repairs
Workmanship & customer service are the cornerstones of our truck repair services. We proudly provide top-rated heavy-duty truck repair & maintenance services from our team of trusted diesel mechanics at Iron Buffalo Truck & Trailer in Denver, CO & Kalispell, MT. From brake and axle repairs, to transmissions and diesel engines, Iron Buffalo will get your commercial truck fixed and running smoothly again. Get in touch with us today to schedule a diesel mechanic repair service at one of our truck repair shop locations.
Customer testimonials
Light, Medium & Heavy-Duty Truck Repair Services in Denver, CO & Kalispell, MT
Trusted Diesel Repair & Fleet Services - Keeping You on the Road & Job Site
Commerce City, CO
5590 E 55th St, Commerce, City, CO
Kalispel, MT
104 Rocky Cliff Lane, Unit 1, Kalispell, MT