My 2009 Volvo D13 is running regen 2-3 times a day.I have cleaned DPF filter and changed all sensors and 7th injector but still running regen couple times a day. Do you know how much software update cost and how long does it need to be updated While the engine is warm, set the parking brake and put the transmission in neutral. After that, open the cover plate on the tank compartment and locate the SCR cleaning operation switch. Move the switch to the left to start the refresh process. From there the process will occur automatically, taking approximately 35 minutes. How Long Does a Manual Regen Take on a Duramax? A manual regen on a Duramax engine can take anywhere from 30 minutes to an hour or longer depending on several factors. To begin the process, the vehicle must be driven for at least 10-15 minutes with a speed of 40 mph or higher. In either case, the system is designed to "pause" and "resume" if you should put the truck in park or shut it off, however this back and forth process can sometimes lead to excessive regeneration attempts, multiple failed attempts, or inevitably a DPF that fills up, requiring trips to the dealer for "stationary de-soot" or "parked regenerations The feedback sensors on or near the DPF help the vehicle’s computer monitor its functionality. If there are irregularities in the pressure limits for two running cycles, the P2002 code appears. After successful regeneration, the P2002 will clear. Diesel Particulate Filter Regeneration. DPF regeneration usually happens automatically. DPF regeneration without paying a mechanic . Two steps to getting your car back to full health DPF filter cleaning for just a few pounds. Order Forte Diesel DPF Cleaner. Depending on your car type, driving with a faulty DPF filter can be illegal. Manual Regeneration. The scan tool can be used to perform a manual regeneration of the DPF to clean the system. The manual DPF Regeneration can be performed in a stationary location or can be run while driving the vehicle, if needed, to try to reproduce customer issues. +1 My Sprinter did a regen cycle after I reached the summit of a long mountain climb. I watched the DPF temp climb from 750^ to 1200^ in a matter of seconds. About 10 minutes later it was back to "normal" in the 500^ range. I also like to know whats going on. The Scangauge2 is a good product. _____ mnhdh.