Recently i have realised my cars fuel economy has gone down alot also not as powerful as before, cant hear the whoosh sound through the intake like before, vag com came up with the following:
000665 - Boost Pressure Regulation: Control Range Not Reached
P0299 - 002 - Lower Limit Exceeded - Intermittent
Does this mean i need to change my diverter valve? should that affect fuel economy anyway if it was blown? Also which diverter should i go for as i have read somewhere the new D type can fail?