I could not see the link from work, but from the subsequent posts I'll just say this; EGR seems to cause more smoke out the tail pipe while reducing NOX supposedly. Smoke out the tail pipe gives diesels a bad rap while reducing invisible products does not seem to help public perception of our cars.
But now, I'm drifting of topic
05 Passat GLS 2.0 PD, UnChained & Steel GPs by VW, 15" steelies, New TB/WP, motor mounts, alt pulley, trans filter, cv boots, TSB #P9/66C8, premature cam wear?
now driven only once or twice a week
2012 Kia Optima SX turbo, 274 hp, 269 ft-lb @ 1750-4500 rpm, corsa blue, new daily driver