Hey guys, I have a s4 t2 swapped car. I bought it with all emissions removed along with the idle air control (i guess)? The car only idles once fully warmed up, otherwise i have to constantly give it gas. Could someone help me out. I think what i need is called the Air Control Valve. If thats correct, could i get some pictures of where it's at, and how exactly it works, that would be awesome.

 

heres a picture. im having the same problem, ill have to look further into this

i just noticed it looks all charred at the top. what the hell is that?

 

Vacuum "Spiders", Shutter Valve, Air Control Valves, Block-off Plates
That would be the Bypass Air Control, used to control idle. The ACV is on the otherside attached to the LIM. The ACV connects to the air-pump but sounds like you don't have that anymore. I would start with calibrating your TPS and if your emissions has been deleted, check your lines for vacuum leaks and check your BAC to see if it's sticky.