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  1. Is the dpf and catalyst the same thing on a 2013 tdi passat

    2012-2016 VW Passat TDI forum
    Hey guys sorry bout my stupid question, I been having this problem with my car where after I got my car back from vw it has this problem where sometimes it don’t let me go past 80 and will come down slowly and not go back up. So last year I found out the emission issue and I had vw fix the...