Your truck will regenerate (active) when the DPF soot level reaches 65%. This will likely occur every 100-300 miles. You will only see the notice on the EVIC if the soot level reaches 80-90% due to uncompleted regens. Active self-regeneration occurs when there is not sufficient heat in the exhaust to convert all the carbon being collected in
How does DPF regeneration occur? The regeneration occurs automatically, usually without the driver being aware that it is taking place. In the majority of cases, the process is carried out when the engine and exhaust system has reached normal operating temperature and the vehicle is travelling at over 40mph.

Many problems on trucks manufactured in 2007 or later have something to do with the components of the dreaded after-treatment system, including the diesel particulate filter (DPF) and its process of regeneration. When the US Environmental Protection Agency (EPA) implemented a new set of regulations in 2007, we said a big “goodbye” to simple

It may be recommended to do back-to-back forced DPF r egens to ensure proper DPF regeneration temperatures due to contamination. We hope this blog post is useful for you guys. If you have any questions, don't hesitate to reach out to us by a phone call at (586) 799-4375 or through email at sales@otrperformance.com
The duration of an active regeneration event generally ranges from 20 to 30 minutes on average, under normal operating conditions. In some cases, such as severe DPF soot plugging, a parked regeneration may be required, which can last up to several hours to slowly burn off the soot under more controlled conditions.
Diagnosis: plastic tee failed; DP sensor is reading exhaust pressure between DPF an d SCR on the low side and atmos pressure on the high side. To use a BMW diagnostics term, the negative DP value seems plausible. Oh well, on the positive side, regens now appear to be working again.
Regeneration is the term used to describe cleaning of the DPF. During this process the ‘wet and sooty’ particulate matter is subjected to further combustion inside the DPF itself. Surface temperatures inside the DPF can exceed 600 Degrees Celsius, at which point the soot turns into a hot white ash. Some of this ash is blown out of the
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    • how often does dpf regeneration occur