Diesel Mechanic services

Aftertreatment System Diagnostics & Repair Services in Bedford Park & Melrose Park, Chicago, IL

At Fleet Master Truck & Trailer Repair, located in Bedford Park and Melrose Park, Illinois, we specialize in providing comprehensive EGR system and DPF repair and maintenance services for diesel trucks and fleets. With our state-of-the-art equipment, certified technicians, and years of experience in the industry, we ensure your diesel trucks remain efficient and reliable for your business operations.

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EGR & DPF Services in Bedford Park & Melrose Park, Chicago, IL

Understanding the DPF & EGR System in Diesel Trucks

The Exhaust Gas Recirculation (EGR) system in diesel trucks is a critical component designed to reduce nitrogen oxide (NOx) emissions, a significant contributor to air pollution. The EGR system redirects some exhaust gases back into the engine's combustion chamber, lowering combustion temperature and reducing NOx emissions. As diesel engines are subjected to heavy-duty operations, maintaining a well-functioning EGR system is essential for environmental and performance reasons.

Another crucial component for reducing emissions in diesel trucks is the Diesel Particulate Filter (DPF). The DPF captures, and stores soot particles from the exhaust gases, preventing them from being released into the atmosphere. Over time, the soot accumulates in the filter, necessitating periodic cleaning through a process called regeneration. Failure to perform regular DPF maintenance can result in reduced engine performance, increased fuel consumption, and even engine damage.

EGR & DPF System Repair and Maintenance Services at Fleet Master Truck & Trailer Repair

At Fleet Master Truck & Trailer Repair, our expert technicians can diagnose and repair various issues related to the EGR & DPF system in diesel trucks, including

  • Carbon buildup in EGR valves
  • EGR valve malfunction
  • EGR cooler leaks
  • Blocked EGR passages
  • Forced regeneration
  • DPF cleaning
  • DPF replacement
  • DPF pressure sensor diagnostics
  • Temperature sensor  repair

Our certified technicians use advanced diagnostic tools to detect any issues with your EGR & DPF system, ensuring optimal performance and compliance with emissions regulations.

Advanced Aftertreatment Diagnostics and Repair Services

In modern diesel engines, the aftertreatment system is essential for controlling emissions and ensuring compliance with EPA standards. At Fleet Master Truck & Trailer Repair, we offer in-depth aftertreatment diagnostics to accurately detect and resolve issues across the entire emissions control system.

Using industry-leading diagnostic tools and OEM software, our technicians evaluate EGR valves, DPFs, DOCs (Diesel Oxidation Catalysts), and SCR (Selective Catalytic Reduction) systems to identify performance issues, sensor failures, and clogging before they escalate into costly downtime.

Our aftertreatment repair services include:

  • DEF (Diesel Exhaust Fluid) system testing and repair
  • NOx sensor and temperature sensor diagnostics
  • SCR catalyst inspection and replacement
  • EGR and DPF system integration checks
  • Troubleshooting regeneration failures

Why Choose Fleet Master Truck & Trailer Repair for Your Diesel Truck EGR System and DPF Repair and Maintenance Needs?

Regular maintenance and prompt repairs of the EGR system and DPF in your diesel trucks and fleets are crucial for optimal performance, fuel efficiency, and compliance with emissions regulations. Fleet Master Truck & Trailer Repair, located in Bedford Park and Melrose Park, Illinois, is the trusted choice for comprehensive EGR system and DPF repair and maintenance services. With our team of expert technicians, advanced equipment, and commitment to customer satisfaction, you can trust Fleet Master Truck & Trailer Repair to keep your diesel trucks running at peak performance. Contact us today to schedule an appointment and experience the Fleet Master Truck & Trailer Repair difference.

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Heavy-Duty Diesel Mechanic Specialists

"Very professional team. Oleg is the best in town at diagnostics and fixing electrical issues. I spent a lot of money diagnosing at the dealership and the problem kept coming back…Thank you."
Andrei Goian
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Goian's Trucking Performance

Gleb Moiseev

5 stars

"Highly recommended this shop. After engine overhaul my 2012 Cascadia has a new heart. Reasonable prices for fairly prompt work. Thank you guys. "

Kenneth Foreman

5 stars

"Love this shop! Andrei the fleet manager is the best and will make sure everything gets taken care of with the truck!  Highly recommend! Won’t regret it. Easy in and out shop in the Chicago land area!"

Misha Nehoda

5 stars

"Whether you need an oil change, brake repair, tire repair, they've got you covered. The guys do their job quickly, even when I showed up at the last moment, without calling in advance."