Well … no feedback from the forum.
In case anyone encounters this problem, I believe my after market IAC valve is sticking open when cold. After a cold engine start and then running for 15 minutes, engine temp is 185+ degrees, and still idleing at about 2,500 RPM. I shut the car down and restart it, and then it runs awesome.
I ordered another brand of after market IAC and will return the original and see if that helps.
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- 1998 Honda CRV, Manual transmission – continued high idle