CMI 400 DEF, DPF & EGR Delete | Remote Tuning by TM AG Tuning
March 22, 2026
If you own a diesel Mitsubishi Fuso truck, you already know how frustrating emissions systems can be. Downtime, derates, clogged filters, and constant fault codes can kill productivity—especially when your truck is your livelihood.
At TM AG Tuning, we specialize in professional Mitsubishi Fuso ECU tuning designed to eliminate emissions-related problems and restore your truck’s reliability, power, and efficiency.
🚛 Mitsubishi Fuso Diesel Trucks We Support
We provide tuning for all North American diesel Fuso models, including:
- Mitsubishi Fuso FE125
- Mitsubishi Fuso FE145
- Mitsubishi Fuso FE180
- Mitsubishi Fuso FE130
- Mitsubishi Fuso FE160
- Mitsubishi Fuso FE160 Crew Cab
- Mitsubishi Fuso FG4X4
🔧 What Are DEF, DPF, and EGR Systems?
Modern Mitsubishi Fuso diesel engines (especially 2012+ 4P10 engines) are equipped with complex emissions systems. While designed to reduce environmental impact, they often create reliability issues in real-world working conditions.
💧 DEF (Diesel Exhaust Fluid)
DEF is a fluid injected into the exhaust system to reduce NOx emissions.
Common DEF Problems:
- DEF level sensor failures
- Frozen DEF in cold climates (common in Canada)
- SCR system faults
- Engine derates or shutdowns
👉 When DEF systems fail, your truck can go into limp mode or complete derate, costing you time and money.
🔥 DPF (Diesel Particulate Filter)
The DPF captures soot from exhaust gases and requires periodic regeneration (burn-off).
Common DPF Problems:
- Plugged or clogged filters
- Failed regen cycles
- Excessive backpressure
- Frequent downtime
👉 A clogged DPF leads to power loss, poor fuel economy, and expensive replacements.
♻️ EGR (Exhaust Gas Recirculation)
The EGR system recirculates exhaust gases back into the engine to reduce emissions.
Common EGR Problems:
- Carbon buildup
- Stuck EGR valves
- Reduced engine efficiency
- Increased engine temperatures
👉 EGR systems dirty the engine internally and reduce overall performance.
🚀 Benefits of DEF, DPF & EGR Delete Tuning
At TM AG Tuning, we modify your ECU to safely and effectively remove these systems from operation.
✅ Increased Reliability
- Eliminate common failure points
- No more derates or shutdowns
✅ More Power & Torque
- Improved throttle response
- Stronger pulling power under load
✅ Better Fuel Economy
- Reduced exhaust restriction
- More efficient combustion
✅ Lower Maintenance Costs
- No more DPF cleaning or replacement
- No DEF fluid costs
- Fewer sensor failures
✅ Longer Engine Life
- Less soot buildup
- Cleaner oil and intake system
📦 ECU Send-In Tuning Process (Simple & Fast)
Because Mitsubishi Fuso ECUs require bench programming, we provide a streamlined mail-in service across North America.
Step-by-Step:
- Order your tuning from TM AG Tuning
- We send you prepaid UPS shipping labels
- Remove your ECU and ship it to us
- We perform the tuning in-house
- We ship it back to you, ready to install
👉 Turnaround is fast, and support is always available.
🛠️ Why Choose TM AG Tuning?
- ✔ Industry-leading Mitsubishi Fuso tuning
- ✔ Proven solutions for 4M50 and 4P10 engines
- ✔ Lifetime file support
- ✔ Real customer support (not just files)
We don’t just tune trucks—we fix the problems other tuners leave behind.
💬 Stop Dealing With Emissions Problems
If your Mitsubishi Fuso is constantly regenerating, throwing codes, or going into derate, it’s time for a permanent solution.
TM AG Tuning delivers reliable, powerful, and clean-running trucks—without the headaches.
📞 Get Started Today
Visit: www.tmagtuning.com or Email info@tmagtuning.com
Or contact our team to get your Mitsubishi Fuso back to work—stronger than ever.
