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Old 09-19-2020, 10:03 AM
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BBShark BBShark is offline
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Originally Posted by 69427 View Post
I didn't find anything useful in the '93 manual, but the '87 manual gives a process/procedure to set the throttle blades to a setting that will deliver a "default" minimum engine speed (which I infer is in case the IAC fails closed).

I didn't find anything that discusses a gap or mechanical clearance adjustment, if I'm understanding your post correctly.
Thanks. I thought I had seen that in the factory service manual for my 90 but maybe saw somewhere else. I'm guessing you want that gap to be as small as possible without the plates binding in the bore and let the IAC control idle. I suppose if the gap is to big, the IAC can't compensate.
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