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a few weeks ago i had a problem with my idle.... it kept stalling and all that great stuff, so i browsed the msgbrd until i found moon's idle relearn steps. i just have one question...

in the step below how do i "tailor" the minimum air rate screw, and where/what is it?

With engine stabilized and in closed loop, the IAC motor values should be between nine to 12 counts. If not, the adjustments may be tailored by adjusting the minimum air rate screw. More throttle valve opening equals lower IAC counts. Less throttle opening equals higher IAC counts.
 

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The screw is covered by a cover you have to puncture and remove. Generally this does not need to be adjusted. Be careful if you do.
Here is a pic showing its location. You have to access it from behind though.
 
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