http://www.icess.ucsb.edu/~greg/rodeo/egr.htm

This link (wasn't able to get the one in jersey's post to work) mentions cleaning the EGR supply tube is also supposed to help reduce oil consumption. I had seen references to EGR as a factor in oil consumption on the VX before but what would be the connection between the two? Cleaning the supply tube just generally keeps engine internals cleaner?