Exhaust gasses containing soot enter the DPF channels which are closed off at alternating ends. AUDI A3 Sportback (8PA) 2.0 TDI Hatchback Diesel 05/2006 06/2008 FWD 16 170 125. The Diesel Particulate Filter is part of the exhaust system which functions to remove particulate matter (soot) from the exhaust gasses.
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