G.M. guys. I can't remember enought about the old pre OBD stuff to figure this one, the other problem is repair flowchart says to use some equipment I don't have. Let me explain it best I can, Cold start it goes to 2000rpm then settles down in about 20 sec's, ...

FIX posted 12/11/2008

iATN Members:
Login to view full TechHelp request
Auto Repair Pros:
Join iATN to read this TechHelp request
Vehicle Owners:
Find a nearby iATN member to repair your vehicle