Check engine light on? We bring EGR and DPF repairs to you—fast, on-site service that clears codes, restores power, and gets your diesel truck back to work without the tow.

Diesel EGR & DPF Service in Middle Tennessee and Southern, KY
If your truck is derating, flashing warning lights, or struggling to regen, you may be experiencing issues with your EGR (Exhaust Gas Recirculation) or DPF (Diesel Particulate Filter) systems. These systems are critical for emissions compliance and costly if ignored.
Blacktop Mobile Truck Repair offers full mobile aftertreatment system diagnostics and repair throughout Russellville, KY and within a 75-mile service radius. We show up ready to troubleshoot, clean, or replace what’s necessary to get your truck back in service.
Our EGR & DPF services include:
- DPF regeneration (forced regen on-site)
- DPF cleaning and replacement
- EGR valve and cooler diagnosis
- DOC (Diesel Oxidation Catalyst) inspection
- Sensor and temp probe replacements
- Fault code diagnostics and clearing
- After-treatment system leak checks
- Derate and limp mode recovery
We service Cummins, Detroit, International, Volvo, and other major platforms. Whether you’re facing reduced power or a failed regen cycle, we bring the fix directly to your rig.
What Makes Us Different
Aftertreatment systems are complex and are constantly misdiagnosed. At Blacktop, we use proper diagnostic tools and hands-on experience to fix your EGR or DPF issue without guessing or pushing unnecessary replacements.
Here’s what makes our service different:
- We bring forced regens and repairs to your truck
- Experienced with both EGR and full aftertreatment systems
- 1-year warranty on parts and labor (if we supply the part)
- Fast roadside response or scheduled yard service
We’ll tell you what’s wrong, explain how to fix it, and do it right the first time.
Expert EGR & DPF Repair is a Call Away: 931-561-7736!
If your truck’s stuck in regen, showing check engine codes, or losing power, call 931-561-7736 now. We’ll send mobile EGR and DPF repair service directly to your location.
FAQs
What Areas Do You Serve for Aftertreatment Repairs?
We’re based in Russellville, KY, and also serve Nashville, TN, Bowling Green, KY, Oak Grove, KY, and Hawkinsville, KY—within a 75-mile radius.
Can You Do a Forced Regen On-Site?
Yes. We perform forced DPF regens on most major diesel engines, clearing active faults and restoring performance without a trip to the shop.
What Happens If I Keep Driving With a Clogged DPF?
Continuing to drive with a clogged DPF can lead to derate, engine shutdown, and permanent damage to your aftertreatment system. It’s best to address it immediately.
How Do I Schedule EGR or DPF Repair?
Call 931-561-7736. Tell us what symptoms you’re seeing, what codes are active (if any), and where the truck is located, and we’ll bring the tools to you.
Our Mobile Repairs
From engine failures to faulty air brakes or aftertreatment issues, we handle it all. No towing, no waiting—just reliable, mobile truck repair throughout Middle Tennessee and Southern, KY.
Testimonials
Here's What our customers are saying, feel free to leave us a review!
Whitney Thomas
