How do you know if your car has a DPF?
How do you know if your car has a DPF? Another way to check for the existence of a DPF, is to see what type of oil it uses. This is stated in the handbook or on a label in the engine compartment. If the car requires a low ash (Low SAPS) oil, then it indicates the presence of a DPF. Does AdBlue stop DPF problems? As the gases pass through the filter, the DPF will begin to get clogged with the soot that it has trapped. However, this system is not a replacement for a DPF, since cars with...