Thanks. I know I got the EGR pretty well cleaned and functioning properly. I have not checked vacuum operation on the turbo yet, but I have noticed that the wastegate rod looks to be very easy to adjust. I am sure that further alda adjustment will have to be done if I do adjust the turbo.

Is there a way to check the "first muffler"?

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'01 CLK430 (hers)
'99 528iT (turd)
'87 Porsche 928 (just for fun)