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Diesel Emissions Services, Jacksonville
Are you searching for the best “diesel emissions services near me” in Jacksonville, Florida? Then, look no further! We offer reliable diesel emissions services for heavy duty trucks, trailers, and commercial fleets.
Keeping your diesel trucks DOT compliant is necessary for smooth operations. Our skilled technicians offer premier emissions inspection, repair, and maintenance services. We make sure your fleet operates within legal limits. Whether a single truck or an entire fleet, we provide diesel truck emissions services.

Jacksonville’s Top Rated Mobile Diesel Emissions Repairs!
When you are on the go, diesel emissions problems should not slow you down. So, our company provides premier mobile diesel emissions repairs right here in Jacksonville. Our team brings expertise straight to your location, whether you are stuck at a worksite or along the highway. 904 Truck Repair can repair exhaust gaskets, exhaust pipes, catalytic converters, mufflers, and other parts related to emission systems. You get the following benefits of using our mobile diesel emissions repairs:
24/7 Emergency Diesel Truck Emissions Services in Jacksonville & Neighboring Areas!
Stuck with an emissions system issue in the middle of the night? We have got you covered! Our 24/7 emergency diesel emissions services are available to truck drivers across Jacksonville. We serve these areas: St. Augustine, Macclenny, Ponte Vedra, Fernandina Beach, Baldwin, Yulee, Orange Park, Green Cove Springs, and Middleburg
Hire Reliable On Site Diesel Emissions Services in Jacksonville!
Our seasoned mechanics offer dependable on-site diesel emissions services in Jacksonville, FL. We have experience in providing accurate diagnostics, repairs, and maintenance services for heavy duty diesel trucks and trailers. Serving Jacksonville’s logistics, construction, and agriculture industries, we provide tailored services to keep your diesel engines running cleanly and efficiently. Our service offerings include:
DPF Cleaning and Regeneration
Diesel Particulate Filter (DPF) cleaning and regeneration are essential for maintaining proper exhaust flow and reducing soot buildup. We provide cleaning services that restore the filter’s efficiency and prolongs its life.
EGR System Services
The Exhaust Gas Recirculation (EGR) system helps reduce nitrogen oxide emissions by recirculating some of the exhaust gases back into the engine. We offer cleaning services and replace the EGR components to keep it working properly.
DEF System Diagnosis & Repair
The Diesel Exhaust Fluid (DEF) systems are essential for meeting emissions regulations by breaking down harmful pollutants. Our team offers diagnosis and repair to ensure the system injects DEF properly.
Emissions System Inspections
Regular emissions system inspections help detect problems early and ensure your vehicle meets DOT and EPA standards. Our technicians perform a thorough check of all components, including sensors, valves, and filters, to catch potential issues early.
Check Engine Light Diagnostics
A check engine light indicates emissions-related problems, such as sensor failures or exhaust system faults. We use advanced diagnostic tools to read trouble codes, pinpoint the exact issue, and provide necessary repairs.
NOx Sensor Replacement
Nitrogen Oxide (NOx) sensors monitor the level of harmful gases being emitted and help regulate the SCR system. A failing NOx sensor can lead to poor emissions control. We replace faulty sensors to maintain clean operation and avoid engine derates.
SCR System Maintenance
The Selective Catalytic Reduction (SCR) system uses DEF to convert harmful NOx emissions into harmless nitrogen and water vapor. Routine maintenance, including inspections and part replacements, keeps this system working effectively and prevents costly downtime or compliance issues.
Our Diesel Emissions Work
5 Star Reviews From JAX Clients





Our fleet needed diesel truck emission testing to meet EPA and DOT compliance. Their team fit us in quickly, completed the tests efficiently, and provided all necessary documentation.
Dave Williams

When heavy-duty diesel truck emissions became a concern, we turned to their experts. They ran thorough checks, explained the results clearly, and performed the required repairs.
Bill Roberts








