On the transmission bell housing where it mates to the engine, midway between the camshaft position sensors, directly below. You may have to remove/reorient the intake air pipes to get clear access to it. The google gods found this nice little sketch on imgur: http://i.imgur.com/xcVxdm3.jpg The diag...

Banjo bolt with a hard plastic vacuum line under intake manifold, cylinder 1

Could Also be broken PCV big hose

If you look at his profile he hasn't been active since '14. We may never know if that fixed it for good.

I'm tackling a spurious no start on my 2005 which is a a fuel delivery problem. Until you monitor the pressure at the rail, you don't know if the fuel delivery is correct, so rent the tool from AZ or sacrifice a pencil gauge.

With 0 pressure on the cranks and splutters but won't catch