5.1 DPF Flush cleaning When presented with a limping diesel with blocked DPF garages using, the appropriate diagnostic equipment, can identify when a DPF is blocked beyond the level at which even a forced regeneration is safe. At this point a dealer will suggest a new DPF with a cost to the north of £1000.00. I believe this was the ECU starting a regen cycle and the 'pop' was the post-combustion fuelling igniting the soot in the DPF, to start it burning. The car was perfect on the 20-mile journey home. It was a very unusual sensation, I have spoken to a guy that owns a new Mazda 6 that has had the same experience with his DPF diesel. ・ DPF Regeneration Distance 01-10 (DPF REG DIS 01-10) Distance until a certain amount of PM is deposited (for the last 10 times) It is different from the mileage between the actual DPF regeneration. Compatible only with models equipped with SKYACTIV-D 1.5 (operation confirmed with Demio and Axela) ・ DPF Regeneration Distance Average (DPF if your calculated soot is low, but the measured soot is over 45, the drive is the best idea. if you can get the measured soot under 45, you should then be able to initiate a forced regeneration (aka service regeneration) if the measured soot is under 45, but the calculated is high, you could tell the computer you replaced the DPF, which would Ok, so here's my first post. There is a reason for joining as some of the information in www land is conflicting and difficult to navigate. Will try to keep it short. I've owned 3 Mazda 6 series and 2 Mazda 3's. The current stock is a 2009 Mazda 6 Diesel and a 2012 Mazda 3 Maxx sport. Lets The original issue was the EGTS that had died causing the car to go into limp mode and miss several DPF burns ect. I took out the DPF and cleaned It out (seems to be intact), Replaced the faulty sensor (which was hella expensive for some unknown reason).. Now I am attempting to do a forced Regen and a DPF assessment with my scan tool. Euro 1 to Euro 6 guide - find out your car's emissions standard; Active DPF regeneration . Active regeneration means extra fuel is injected automatically, as part of the vehicle's ECU, when a filter reaches a predetermined limit (normally about 45%) to raise the temperature of the exhaust and burn off the stored soot. The DPF will store this soot and ash to later burn them off during a regeneration cycle. There are three different types of regeneration cycles that are commonly used to clean out most DPF systems – active, passive and forced. Each type of regeneration cycle needs its own specific set of conditions to occur. Mazda forced dpf regeneration with wow after injectors replacement. I pulled the line from the exhaust to the exhaust pressure sensor, bit of a task but line wasn't plugged. If the map sensor does not fix it then it's going to the dealer. Update, new MAP sensor didn't fix still getting same codes above. Force regen yields .ax temp around 200 degrees so not getting hot enought. 4oVgShM.