Is your diesel vehicle showing signs of trouble? We provide reliable diesel repairs in Denver, CO, ensuring your vehicles stay in top condition. From engine diagnostics to suspension and electrical services, our 100% mobile team brings expert repairs to your location.

Comprehensive Diesel Repair Services Near You
Diesel vehicles are built for performance but require specialized maintenance to ensure long-term reliability. We offer services such as suspension repair, electrical and diagnostic services, and diesel engine repair, rebuild, overhaul, and conversion. Here are some signs that your diesel system may need professional attention:
- Unusual noises such as knocking or hissing from the engine
- Difficulty starting or frequent stalling
- Suspension issues leading to uneven weight distribution or poor ride quality
- Loss of power or increased fuel consumption
Our mobile repair service allows us to address these issues efficiently, minimizing downtime for your fleet or personal vehicles.
What Makes Us Different
At Krieger's Commercial Fleet and Automotive, we stand out because of our unwavering commitment to exceptional service and customer satisfaction. Here’s what makes us unique:
- Mobile Convenience: Our fully equipped team comes to your location, saving you time and eliminating the hassle of bringing vehicles to a traditional shop.
- Fair Pricing & Top-Notch Service: We offer high-quality repairs at competitive rates, delivering excellent value to every customer.
- Proactive Maintenance Support: Beyond repairs, we help customers stay ahead of potential problems with custom preventive maintenance schedules.
- Employee Health Focus: We invest in the physical and mental well-being of our team, fostering a positive and efficient work environment.
By combining these qualities, we ensure you get the best service experience every time.
Contact Us About Diesel Repairs Now: Call 720-910-9294!
Don’t let diesel problems disrupt your day! Contact Krieger's Commercial Fleet and Automotive at 720-910-9294 to schedule professional repair services today. Our expert team is ready to help you get back on the road.
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Frequently Asked Questions
Find detailed responses to some of our most frequently asked questions.
Our mobile service covers Denver, CO, as well as Bennett, Brighton, Strausburg, Littleton, Thornton, Parker, and Centennial. No matter where you are within our 70-mile service radius, we’re ready to bring professional repairs and maintenance to you.
Diesel engines typically require regular maintenance every 10,000 to 15,000 miles or as recommended by the manufacturer. Essential tasks include oil changes, air and fuel filter replacements, and system diagnostics. Staying proactive with preventive maintenance helps avoid costly repairs and prolongs engine life.
Diesel engines may struggle to start due to issues like a weak battery, faulty glow plugs, or low fuel pressure. Other potential causes include a clogged fuel filter or air intake problems. Regular maintenance can help identify and resolve these issues before they worsen.
Diesel engine oil should typically be replaced every 5,000 to 7,500 miles, depending on driving conditions and manufacturer recommendations. Frequent towing or operating in extreme temperatures may require more frequent oil changes. Always use oil specified for diesel engines for optimal performance.
Customer Testimonials
"Amazing group here. Very dedicated to providing an excellent experience, and excellent result. They go above and beyond to satisfy their customers. You can't do better than these guys. If you're looking for the best deal, the best work, and the best experience, look no further."
"It is such a relief to have my vehicle back in working order - especially after neglecting maintenance for far too long after the only shop I trusted sold their business. Like a lot of women, I hate the typical experience at a shop, and am glad I gave Kriegers Repair a shot. Nothing is cheap these days but the rate was fair and the work was completed quickly and to my satisfaction. I appreciate the time and work that John did and will be recommending him to family and friends."
"John is one hell of a dude i ran out of battery here is bennett colorado i came up to him to ask if he could help out, right away got to it and helped me out to get my car started he awesome i recommend!!!"
Contact Krieger's
Krieger's Commercial Fleet and Automotive LLC provides trusted mobile truck and automotive repair services within 70 miles of Denver, Colorado. Get in touch with us today with any questions, to request a quote, and to schedule service!
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