FOXWELL HD500 Heavy Duty Scanner ABS Bleeding DPF Regen OBD2 Car Diagnostic Tool. FOXWELL HD500 Heavy Duty Truck Diesel Scanner Diagnostic Tool DPF Regen Injector. DPF Regeneration is used to clear PM (Particulate Matter) from the DPF filter through continuous combustion oxidation mode (such us high temperature heating conbustion, fuel additive or catalyst reduce PM ignition conbustion) to stabilize the filter perfornance.
