I have a stock intake still and when I pulled the fuse for the PCM and reset it, the idle would dip very low for the first few mins, then went away after the computer re-learned.
Tony
1998 SVT Contour (B/MB) #542 3L
1998 SVT Contour (SF/MB) #1266 parts car
2000 SVT Contour (SF/MB) #1533 3L swap to begin!