Is there a problem with my Cummins DPF?
Is there a problem with my Cummins DPF? 13-18 6.7 Cummins DPF and DEF. Real problem with it. - YouTube 13-18 6.7 Cummins DPF and DEF. Real problem with it. If playback doesn't begin shortly, try restarting your device. How does the Cummins diesel particulate filter work? The diesel particulate filter captures pollutants before they exit the exhaust stack. These pollutants build up on the ceramic of the DPF over time. The Cummins DPF is designed to automatically (“passively”) clean itself, during what is called a “regen”. Why is my 6.7L diesel particulate filter clogged? Black mess came out both...