Mazda 5, 2006 about 85k miles. Engine warning light came on yesterday (for the 1st time) while driving under a heavy rain (after 40 miles, 55mph ave.speed). No changes or differences in the ride (temp … read more A diesel particulate filter (DPF) is a filter that captures and stores exhaust soot (some refer to them as soot traps) in order to reduce harmful emissions from diesel cars. But because they only have a finite capacity, this trapped soot periodically has to be emptied or 'burned off' to regenerate the DPF. I probably will ( myself ) replace the cam , rockers , and vacuum pump , to fix this problem. And hopefully it will fix the warning light , and improve fuel economy ( I get 6.9L per 100km - and this is mostly, 95% highway driving ) I'll keep everyone informed 👍🇦🇺🤔 Mazda 6 2.2d sport (2015) - DPF Malfunction warning - worth a manual regen?. So a couple of days ago I get the dreaded 'Soot Accumulation in DPF Too High' message on my 6, which has just had it's 5th birthday and done 40k. Following Mazda's helpful guidance, off for a run down the M23 I go, keeps revs between 2.5-3k. The concern with these indicator lights is that we are not certain of the malfunction. Undeniably, it frequently happens that an indicator light comes on while your Dacia Sandero 2 Stepway is working perfectly. Your DPF has electronic sensors that send the signal to the dashboard. When the probes are malfunctioning while the DPF is functioning Hi, I have the same issue, first oil light, fixed with full service and oil change, then SCBS light, that went, then DPF soot level too high, fixed by keeping revs above 3000 for 10 minute drive and DPF cleaner additive. Now we have the Vehicle System Malfunction message which is a little intermittent and usually comes on 5-10 mins into journey. Mazda 6 2.2 All warning Dash lights on. Hi I'm new to this so bare with me. I own a diesel 2.2 mazda wagon/estate. The car was running fine but had the DPF light showing. This light had been showing for 3 months now. After doing what the hand guide said twice I went to four different mechanics who said there is no problem with tbe DPF it may be Light Mode menu Mazda 6 3rd Generation (2013-Present) Multiple Warning Lights - DPF inspection, Oil Pressure etc. Jump to Latest Follow Mazda6 Owner's Manual Warning/Indicator Lights and Warning Sounds If a Warning Light Turns On or Flashes If any warning light turns on/flashes, take appropriate action for each light. There is no problem if the light turns off, however if the light does not turn off or turns on/flashes again, consult an Authorised Mazda Repairer. I have a 2006 Mazda 6 diesel which has done 105,000 miles. I have had three instances of the DPF warning light flashing which has been solved by taking to local dealership. This happened again this week just 5,000 miles since last occurence. The car is hooked up to the computerised system to 'purge' the system or so I understand. cvw3x.