Atlanta’s Light & Medium-Duty Diesel Emissions Specialists

At SML Diesel, we keep diesel pickups, vans, and medium-duty work trucks running clean, efficient, and emissions-compliant.

Whether you drive a Ram 2500 Cummins, Ford F-350 Powerstroke, Chevy/GMC Duramax, or Sprinter van, we specialize in DPF cleaning, DOC and SCR repair, DEF systems, regen diagnostics, and sensor replacements; all under one roof in Atlanta, Georgia.

We’re emissions experts dedicated to solving the problems that keep your vehicles out of service.

Contact us today to schedule your diesel emissions service in Atlanta.

Comprehensive Diesel Emissions Services

Our certified technicians service every major component of your truck’s emissions system using OEM-level diagnostics and EPA-compliant methods, ensuring reliability, performance, and legal operation.

DPF Services

  • DPF removal, cleaning, and replacement
  • Flow testing & restriction tracking
  • Partnered with DPF Guys for industry-leading cleaning technology

DOC Services

  • Diesel oxidation catalyst inspection & replacement

  • Cleaning and efficiency testing

  • Prevents failed regens and emissions codes

SCR & DEF System Services

  • DEF injector, pump, and heater repair
  • SCR catalyst replacement
  • NOx and temperature sensor diagnostics

Sensor & System Diagnostics

  • NOx, EGT, O₂, and DPF pressure sensors

  • Wiring & harness repairs

  • Emissions system code scanning and live data analysis

Regen Services

  • Forced regens for clogged DPFs

  • Regen diagnostics & troubleshooting

  • ECM resets & post-repair verification

We Work on All Major Diesel Brands

SML Diesel provides emissions service for light- and medium-duty trucks, including:

  • Ford Powerstroke (F-250, F-350, F-450)
  • Ram Cummins (2500, 3500)
  • Chevy/GMC Duramax (2500HD, 3500HD)
  • Nissan Titan XD (Cummins)
  • Sprinter & Transit Diesel Vans
  • Isuzu NPR / Hino Series / Medium-Duty Work Trucks

Industries & Applications We Serve

We understand how critical uptime is — whether you’re a contractor, fleet manager, or equipment operator.

SML Diesel supports:

  • Pickup Owners / Daily Drivers
  • Contractors & Trades (plumbing, HVAC, electrical, landscaping, etc.)
  • Small Business Fleets (work vans & service trucks)
  • Municipal & Utility Vehicles
  • Agriculture & Construction Equipment

From individual truck owners to government fleets, our Atlanta shop keeps your diesel systems clean, compliant, and cost-effective.

Diesel Emissions Parts & Equipment

We stock and install high-quality diesel emissions parts for most makes and models:

  • Replacement DPFs (OEM & aftermarket)
  • DOCs & SCR Catalysts
  • Sensors (NOx, EGT, Pressure, O₂)
  • Clamps, gaskets, and mounting hardware

All parts meet or exceed EPA and CARB standards and are installed by trained diesel emissions technicians.

Fleet Maintenance & Business Solutions

For small fleets and contractors, we offer customized fleet programs that help:

  • Prevent breakdowns
  • Maintain emissions compliance
  • Track DPF flow and cleaning history
  • Control maintenance costs

We serve construction companies, utilities, landscaping fleets, delivery services, and more throughout Atlanta and North Georgia.

WHY CHOOSE SML DIESEL?

We know the challenges of operating diesel vehicles in Atlanta’s stop-and-go traffic and hot climate; that’s why our service process is designed for reliability, compliance, and minimal downtime.

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Light- & medium-duty diesel specialists

Pickups, vans, and work trucks only

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Emissions experts

DPF, DOC, SCR, DEF, sensors, regens

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Fast turnaround

Most jobs same or next day

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Fleet-ready programs

Preventive and scheduled maintenance

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DPF Guys partnership

Professional-grade cleaning and testing

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Local expertise

Atlanta-based, Georgia emissions compliant

PROUDLY SERVING METRO ATLANTA & NORTH GEORGIA

We provide diesel emissions services to customers in: Atlanta, Marietta, Kennesaw, Smyrna, Roswell, Alpharetta, Lawrenceville, Douglasville, and surrounding areas. Let’s get your truck or fleet back to running clean, efficient, and compliant.