The cost depends on the fault, the parts involved, and whether the truck needs shop or mobile service. In most cases, the first step is a $150 computer diagnostic to find out whether the problem is in the DPF, EGR, DEF, SCR, sensors, or another related component. If the truck cannot make it to the shop and needs on-site help, mobile service starts with a $150 road service call fee. After diagnosis, we explain the repair needed and the cost before moving forward.
Professional Truck DPF, EGR Service, and Aftertreatment System Repair in Homer Glen
Truck DPF and EGR service focuses on the emissions and exhaust components that help a heavy-duty truck maintain power, complete regeneration properly, and avoid unnecessary fuel loss. When the aftertreatment system starts failing, the problem can turn into warning lights, repeated regen cycles, reduced power, and derate fast.
HDTR handles truck aftertreatment repair in Homer Glen, IL, for trucks with a clogged DPF, carbon buildup, bad sensors, DEF faults, SCR faults, or EGR problems affecting performance. These issues can show up as weak pull, poor response, failed regen, or a truck that will not stay out of derate.
A restricted diesel particulate filter can increase heat and soot-related problems, while EGR faults can lead to rough operation, weak response, and added stress across the emissions system. If the problem is ignored, a smaller fault can turn into a more expensive repair.
What Is Included in Our Truck DPF, EGR Service and Aftertreatment System Repair
A proper truck DPF service covers the repair path for trucks with failed regen, derate, warning lights, poor pull, or active DPF, EGR, DEF, and SCR faults. Depending on the failure, the service can include DPF regeneration service, truck DPF repair, truck EGR service, filter cleaning evaluation, and related aftertreatment repairs in one place.
Aftertreatment Diagnostics and Fault Code Review
We scan faults and live data to see whether the problem starts in the DPF, EGR, DEF, SCR, sensors, or related circuits. This gives the truck a clear repair path instead of another temporary reset.
DPF Restriction, Soot Load, and Ash Load Checks
We inspect the DPF system for restriction, soot buildup, and filter loading that can cause low power, repeated warnings, or regen problems. This helps show whether the truck needs truck DPF repair, cleaning evaluation, or a different fix.
Forced Regen and DPF Regeneration Service
When conditions are right, we check whether a forced regen DPF procedure is appropriate and whether the truck can complete it correctly. If regen keeps failing, we diagnose the cause instead of treating it like a one-time reset.
DPF Filter Cleaning and Repair Path Assessment
We inspect the filter condition to see whether semi truck DPF filter cleaning is a realistic next step or whether the unit has a deeper problem. This is a key part of DPF service regeneration and clogged filter diagnosis.
EGR System Inspection and EGR Repair Checks
We inspect the EGR system for carbon buildup, flow faults, sticking parts, and related problems that can affect power, soot output, and regen performance. This is where many heavy truck EGR and DPF repair problems start to overlap.
DEF System, SCR System, and Emissions Sensor Testing
We test the DEF system, SCR system, and related sensors when the truck has dosing faults, conversion issues, or aftertreatment warnings. This is a key part of aftertreatment repair on heavy-duty and commercial trucks.
Wiring, Connectors, and Related Emissions Component Checks
We trace faults through wiring, connectors, and affected emissions components when the issue is electrical and not just mechanical. That helps avoid replacing the wrong part and supports more accurate heavy-duty trucks EGR and DPF repair.
Post-Repair Verification and Regen Response Check
After the repair, we recheck fault status, system response, and regen operation to confirm the truck is working the way it should. That final step helps catch unresolved issues before the unit goes back on the road.
Mobile Truck DPF Repair and Mobile Truck EGR Service in Homer Glen
If your truck cannot make it to the shop because of warning lights, reduced power, or an aftertreatment system fault, HDTR provides mobile truck DPF repair and mobile truck EGR service within 50 miles of Homer Glen during business hours.
We can diagnose DPF, EGR, DEF system, and SCR system problems on-site, check whether a heavy-duty truck has a clogged filter or sensor issue, and determine the safest next step for the truck's aftertreatment system repair. When the job needs deeper in-shop repair, part replacement, or more time on the exhaust system, we can help with tow-in support.
Why Drivers, Owner-Operators, and Fleets Choose HDTR
When your truck is losing time over regen faults, warning lights, or a clogged DPF, you need a shop that can handle the problem without sending you somewhere else. HDTR is built for heavy-duty work, so the same shop can diagnose the fault, make the repair, and get the unit back into proper function.
All-in-One Heavy-Duty Shop
HDTR is an all-in-one heavy-duty truck shop, which means your truck stays in one place when the problem reaches beyond the DPF or EGR system. If the fault ties into the engine, wiring, sensors, or the exhaust system, we can handle that work under the same roof.
OEM Parts When Replacement Is Needed
When a failed emissions component has to be replaced, we use OEM parts for the repair. That matters when you need dependable proper function from the DEF system, the SCR system, or other parts that affect engine performance.
Mobile Service and Tow-In Help
We offer mobile support for truck aftertreatment system repair within 50 miles of Homer Glen during business hours. If the truck has reduced power, will not complete forced regeneration, or is too clogged to drive safely, we can help with tow-in support.
Walk-Ins Welcome for Urgent Problems
Walk-ins are welcome because some truck problems cannot wait for a perfect opening on the schedule. If your truck's dashboard is full of fault messages or the aftertreatment system fails without warning, we do our best to get you the nearest available time.
Built for Fleets and Owner-Operators
HDTR works for one semi-truck or a full lineup of fleet units. Fleet managers and owner-operators both need a shop that can keep repair decisions clear, turnaround practical, and service consistent from one truck to the next.
Diagnosis-First Repair Work
This service is not just about clearing codes or pushing a regen button. We diagnose why the DPF system, EGR, diesel particulate filter, or related system is acting up, so you are not stuck chasing the same fault, losing fuel efficiency, or paying for expensive repairs twice.
Low Power, Warning Lights, or Failed Regen? Call HDTR
If your truck's dashboard is lighting up or the DPF system will not complete regeneration, we can diagnose the issue and explain the repair clearly. Shop service and mobile support are available during business hours.
Other Heavy-Duty Truck Services We Provide near Homer Glen, Illinois
Need help with something beyond this repair? HDTR is a one-stop shop for heavy-duty trucks and fleets, so you can get the work handled in one place with one team. If the unit isn’t safe to drive, we can arrange towing to our Homer Glen shop, and mobile support is available within 50 miles during business hours.
Here are the additional services we offer:
FAQ
How much does truck DPF, EGR, and aftertreatment repair cost?
How much does truck DPF, EGR, and aftertreatment repair cost?
My truck keeps asking for a regen. Does that always mean the DPF is bad?
My truck keeps asking for a regen. Does that always mean the DPF is bad?
No. A truck that keeps asking for regen does not always need a new DPF. The problem can also come from the EGR side, a sensor fault, a DEF system issue, excess soot from the engine, or another problem in the aftertreatment system.
Can I keep driving with a DPF light or aftertreatment warning on?
Can I keep driving with a DPF light or aftertreatment warning on?
Sometimes you can move the truck for a short distance, but it is not smart to ignore it. If the warning gets worse, the truck can lose power, go into derate, or turn a smaller fault into a bigger repair.
Does a clogged DPF always need to be replaced?
Does a clogged DPF always need to be replaced?
No. A clogged DPF does not always mean replacement. The right fix depends on why the filter loaded up, how severe the restriction is, and whether the problem is in the DPF system itself or somewhere else in the system.
Can bad injectors or other engine problems cause DPF and EGR trouble?
Can bad injectors or other engine problems cause DPF and EGR trouble?
Yes. If the engine is making too much soot, the diesel particulate filter and EGR system can start having trouble, even if those parts are not the root problem. That is why a good diagnosis looks at the whole truck, not just the warning on the dash.
What should I tell you before I bring the truck in?
What should I tell you before I bring the truck in?
The best thing you can tell us is what the truck is doing and when it started. Helpful details include warning lights, loss of power, whether regen will complete, any smoke from the exhaust, and whether recent repair work was done.
My truck is in derate now. Can you still diagnose it?
My truck is in derate now. Can you still diagnose it?
Yes. A truck in derate can still be diagnosed. We need to see what faults are active, how the aftertreatment system is responding, and whether the problem is tied to the DPF, EGR, SCR system, or DEF system.
What Our Truck Customers Say About
Heavy Duty Truck Repair
o
overnight freight
This shop take care and do job right, fast service, fair price, mechanics team are professional with integrity.
Thanks again for quick service.
Highly recomended
N
Nierka K
Reliable, fast, and professional. Gets the job done right at an affordable price. Highly recommend!
E
Efka raz
Great experience, mechanic Juan replaced 8tires in less than 2hours
F
Farrukh Halimov
Really knowledgeable and fast!
4.9
Get Your Heavy-Duty Truck Back to Proper Function
From DPF faults and EGR system issues to SCR system and DEF system problems, HDTR handles the full aftertreatment system in one place. Call now to schedule service in Homer Glen, IL.
Visit Our Truck Repair Shop in Homer Glen
Phone(630) 492-7441
Address15761 Annico Drive, Homer Glen, IL
ScheduleMon-Fri: 8AM-6PM
Saturday: 8AM-12PM
Sunday: Closed
