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Thanks to those who tried to help me figure out the high idle that I was getting after cleaning my throttle body and IAC. Not as familiar with the LH 2.4, I was thinking that I did something screwy to my throttle body when I beveled the throttle plate, or perhaps I messed up the IAC somehow when I sprayed the carb cleaner into it.
Suggestions were that I possibly did screw up my throttle body or IAC, and to spray some lubricant into the IAC. Other suggestions were that I might have switched the electrical connection to the IAC and TPS, or that my ECU was dead! All interesting ideas and possibly relevant. But as it turns out, the problem was something so simple that I should have guessed and could have easily checked out: the throttle position switch. Somehow after cleaning the throttle body the switch was no longer in adjustment. My car didn't know it was supposed to be idling! I don't know how it could have happened, because the throttle body was quite dirty before I cleaned it, and therefore the switch would have come on all the more easily. I don't know, maybe I knocked the switch out of adjustment somehow. But in any case, once the (sometimes dim) bulb went off inside my head, I checked the TPS for the telltale click, and it wasn't there. So I readjusted and with the problem solved I'm happily off to get this blue boy smogged.
So often it's just the most basic thing that gets overlooked because it's too obvious.
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