What is DPF?
DPF (Diesel Particulate Filter) is a soot filter installed on diesel vehicles to reduce particulate emissions. Over time, the filter clogs with soot and requires cleaning.
Symptoms of Clogged DPF
- DPF warning light on dashboard
- Reduced engine power
- Increased fuel consumption
- Car entered limp mode
- Frequent regeneration attempts
Causes of Clogging
- Short trips — filter doesn't heat up enough for regeneration
- Low-quality fuel — produces more soot
- Engine malfunctions — e.g., leaking injectors
- Disabled EGR — disrupts system balance
Solution Options
1. Forced Regeneration
Performed with diagnostic equipment. Filter is heated to high temperature, soot burns off.
2. Filter Cleaning
Chemical or ultrasonic cleaning of removed filter.
3. Filter Replacement
Installing new original or quality aftermarket filter.
4. Software Deletion (track use only)
For vehicles used exclusively on closed circuits.