The relearn should help drop the idle down to 650 RPM or so instead of 800 RPM. With the battery unplugged earlier, you'll need to do the throttle closed position and accelerator pedal learning procedures. Takes about a minute to get both procedures done.
IMO, there's not much to worry about moving the throttle plates. I've done it many times, which makes it easier to get to the hard to reach spots. I also added some thin lube to the shaft as well. One of them was squeaking earlier.
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