How Long Does a DPF Regeneration Take? A DPF regeneration may require the engine to be stopped during the process, which can take anywhere from 10 minutes to an hour depending on how full the filter is.
Mar 25, 2021 Updated Aug 4, 2021 Maintaining diesel particulate filters can be a tough and costly battle. See the tips below for extending the life of your DPF and reducing downtime and costs
As long as the DPF is not severely blocked (over 90 percent soot capacity), a scan tool can initiate a regeneration. Scan tool data could include DPF pressure sensor voltage, soot accumulation as a percentage, distance since last regeneration and distance since last DPF replacement.

The thing that gets me is I was on my way to work and continued driving for the extra 20 minutes and 20 highway miles ending at work a few minutes after the regen completed. The DPF gage was at 0. I left work and got 4 miles into my 9 mile commute driving 40-70MPH and the gage went up to 1/8.

5072 posts · Joined 2017. #6 · Aug 9, 2021. My 2008 had 232k on it and was still running a regen just like it should once every tank. The EGR plugged and failed before the DPF did. "Aut viam inveniam aut faciam". Derek. "Daddy Shark" 2017 GMC Sierra 2500 Denali, Crew Cab Short Box, 122k Miles. "Big Red" 2008 Chevy Silverado 2500HD Ext Cab
This process of regeneration refers to the soot being burned away with a high temperature in the Diesel Particulate Filter (DPF). The regeneration takes place automatically while we steadily drive the car, preferably on a highway. Most engines of a new car will actively regenerate DPF if the car is speeding above 40mph for at least 10-15 minutes.
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After last dealer visit my truck runs very well. I do not know how long it will run like this. I expect I have to clean the DPF at some point and I want to get all the information and keep in file. My truck is 2007 320 CDI has 108,000 miles. Based on what I know DPF should last ~250,000 miles? Prior to clean up unless it is damaged. The frequency and length of regeneration will fluctuate as both are determined by the drive cycle. For most drive conditions, regeneration frequency will vary from 100 - 600 miles (161 - 804 Km) between occurrence and last from 10 to 40 minutes. The first regeneration does not require 100 miles (161 Km) and may occur at any time. The DPF is the “Diesel Particulate Filter”. It’s a symbol in the Instrument Cluster that looks like a muffler with dots in it. It displays the percentage of soot in the DPF. When the DPF symbol reaches 100%, the engine computer starts the automatic regeneration of the DPF. wnUYk.
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