im not sure what the line is called, but it goes to the black box in the engine bay.
well, i have idle issues and one day one of the lines got disconnected from the black box. it made a hissing sound, but the thing is, my idle was beautiful.

usually when iturn on the a/c my idle drops, but when this line came disconnected, even with a/c on , the idle was around 800.

i went to connect the line back in, and right when i connected it, idle starts jumping again

anyone have this problem?
is something wrong with my setup?

 

for answers.

 

1] Plug all the lines back into the profec.
2] Find the idle adjustment screw on your throttlebody (big flathead)
3] Turn screw 1/4" turn counterclockwise

fixed.