When I removed my intake last week, there was a hose, a vac line I assume, that was connected to a nipple under the big black intake thing between the TB and air filter (sorry I'm totally blanking on the name). It was cracked and I think it might be part of my idle problem. Anyway, I went out to check what size it was to replace it, and it was missing. It apparently fell off sometime, and I dont know where it goes. Could someone please tell me where it connects, and what size it is if you happen to know it. Thanks.
Edit - It is the top nipple, the bigger one nearest to the intake thingy (to use ASE certified vocalb.)

 

I think you are discribing the hose that connects to the air bypass solenoid valve to before the throttle body. I have no idea what teh size is but it routes from the intake to metal plumbing attached to the TB. From that metal plumbing, it attaches to the air bypass valve via a molded hose

 

Yeah, I'm retarded. I just realized it after examining the haynes manual again. I was thinking of another hose, I guess. I swear the hose was cracked but its not. They always said you lose your mind after you have kids, but I didn't think it would be this fast.