Conducta supapa EGR AUDI A4 1.9TDI dupa 2000, 2.0TDI dupa 2004, A6 1.9TDI dupa 2000, SKODA SUPERB 1.9TDI dupa 2001, VW PASSAT B5 1.9TDI dupa 1998, 2.0TDI dupa 2003