Quote:
Originally Posted by Schrade
Alright; IAC blocked TIGHT (cold motor)...
Idling @ 875, smooth as silk...
Post 3 minutes - loping irregularly 125rpm's, sometimes still very smooth, from 825 - 950, still OL...
Now CL; started about 200 rpm lope IMMEDIATELY when it went CL...
2 minutes CL; settled down with only a 75 rpm lope - 900 - 975...............
3 minutes CL; smoothed out real well - 950 - 975.
5 minutes CL; now holding 975 tight as a drum.
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Chuck,
OK doesn't look as there is a vacuum leak however, it sounds like the throttle blades may be too far open or allowing some additional air. I assume the TPS is at ~.55v. Now if you can back off the throttle stop 1/2 turn and see if that makes a difference. Leave the IAC port blocked.