I am going to do that, though I don't know if that is causing my oil situation. As I mentioned, I thought at first it was, but when I pulled the EGR valve off, the plunger portion that faces the exhaust side was bone dry.

__________________
1999 MB SL500 (110,000 mi)
2004 Volvo V70 2.5T (220,000 mi)
2014 Tesla Model S 85 (136,000 mi)
MBCA member