A DPF (or diesel particulate filter) traps harmful particles - or soot - emitted from a diesel vehicle’s engine and stops them from being released into the environment.
Most drivers’ relationship with diesel fuel begins and ends with the garage fuel pump. It’s what they put in their diesel cars. It’s dirty, smelly, oily stuff (it’s sometimes called diesel oil) which is why garages have rubber glove dispensers so you can avoid getting your hands dirty as you fill...