J&W Mobile Mechanic & Diagnostics · Lucedale, MS
Mobile Diesel Diagnostics & DPF Regeneration
Truck in limp mode? DPF light won't clear? We bring commercial-grade diesel diagnostics to your driveway or jobsite, find the root cause, and get you moving again — no tow truck needed.
$300 diesel diagnostic
Personal diesel trucks: $150 service call + $150 diagnostic, flat rate, including up to one hour of labor. DPF forced regeneration starts at $450.
Every appointment is confirmed by our office. After you book or send a request, we'll call or text to confirm your time and location.
What We Do
- All-system bidirectional diesel diagnostics — not just a code read
- DPF diagnosis and controlled forced regeneration, verified with live data
- DEF and NOx system diagnostics
- EGR, turbo, and aftertreatment system diagnostics
- ECU coding
- Diesel repairs, quoted per vehicle before any work begins
Engines We Work On
Including, but not limited to, Ford Power Stroke 6.0L, 6.7L, and 7.3L; GM Duramax 6.6L; and Cummins engines. Not sure if we cover yours? Call or text us with the year, make, and engine.
Commercial Diesel
Running a semi, a work truck, or farm and construction equipment? Commercial diesel work is billed at our commercial rate with same-day response. See commercial and semi service.
Service Area & Guarantee
We're fully mobile and come to you within 60 miles of Lucedale, MS (ZIP 39452), including Hurley, Vancleave, Moss Point, Gautier, Ocean Springs, Citronelle, and Mobile, Alabama. Beyond 60 miles, service is subject to $0.50 per mile.
Every repair includes our 30-day workmanship guarantee. Parts we buy (usually from O'Reilly's) carry that supplier's warranty. See how our guarantee works.
Common Questions
Can you do a DPF regeneration at my house?
Yes. We come to your location within 60 miles of Lucedale, diagnose the DPF system first, run a controlled forced regeneration, and verify the result with live data. DPF forced regeneration starts at $450.
How much does a diesel diagnostic cost?
A diagnostic for a personal diesel truck is a flat $300 ($150 service call + $150 diagnostic), including up to one hour of labor. Commercial trucks, semis, and farm and construction equipment are $375. The service call and diagnostic are not credited toward a later repair.
Do you work on Power Stroke, Duramax, and Cummins engines?
Yes, including, but not limited to, Power Stroke 6.0L, 6.7L, and 7.3L; Duramax 6.6L; and Cummins engines.
My truck is in limp mode. Is it the DPF?
It can be, but limp mode has several possible causes. Our technician diagnoses the system first so you only pay for the fix your truck actually needs.
Other Services
Payment: cash, Cash App, or EFS. See all services and prices.