You can't adjust the idle on our trucks.
It's computer controled.
You might need to check some of the sensors connected with idle, to see if they are working properly.

Sorry can't help you more on this, i'm not very good with ellectronicaly controled engines <img src="/forums/images/graemlins/baby.gif" alt="" />.

"If i can't crawl over it, i'll fly over it"
rubo

'96 Amigo 4x4, 3.2L V6, 4L30E, D44 rear, SOA, 1" BL, undergoing surgery.
'00 Rodeo LS 4x4, 3.2L V6, OME 919 Springs, front cranked to match,1" BL, 265/70x16 Scorion A/T's.