I watched the video again and concentrated on the screw adjustment tonight. He said to turn the screw down clockwise 1 full turn clockwise once it connected. I made that adjustment and the IAC was reading 60. So I made more clockwise turns at a quarter of a turn. At each quarter of a turn it dropped down 5 %. I did this several times while the engine was running until I got it under 10%. Then I shut the engine off. I then restarted it and it was back to 40% on a warm engine and didn't lower when running. This what I'm struggling with, that it doesn't stay where it said it was when it was running. The engine was idling great the whole time.