the line off the TB goes to the evap on the back of the engine. not the fuel rail.

i'd post a pic, but i cant seem to get it done right now, as the sites being picky right now.

post # 4 has the pic of the vac line off the Tb it goes to the back to the evap. http://www.grandprixforums.net/vacuu...ber-70863.html

it also shows the vac line you have blocked off, where that hose goes to, the by pass actuator.