standard eolys fluid 5l - dpx42 and dpx176 replacement fluid
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PAT Fluid is a fuel borne catalyst designed as an aftermarket replacement for diesel particulate filter additives used to aid regeneration of particulate filters fitted to diesel vehicles. PAT Fluid is equivalent in performance to Eolys products DPX 42 and DPX 176 supplied by Citroen/Peugeot.
PAT Fluid can be used in PSA vehicles (Citroen and Peugeot) that requires either DPX42 or DPX176 Eolys fluid and also in some Ford and Volvo vehicles use PSA engines with an active DPF system.
Simply, this fluid lowers the ignition temperature of soot particles during the regeneration cycle of the DPF filter which is triggered when the engine management detects the filter is becoming blocked by detecting pressure changes between the front and rear of the filter.