High Idle

[NoobKevin]

Very good question. Positive difference. Idles better overall, smoother and less variation at the extremes. Adjusts to loads quicker and does not allow the car to approach stalling nearly as far.

[GTRS Fiero]

So, likely a bad IAC.

[NoobKevin]

Yes, bad IAC in my case.

[GTRS Fiero]

Is this issue resolved, now?

[NoobKevin]

Probably. It’s much better but I am thinking the alternator is also suspect. I have moved on to the brakes for now. Found a significant break in the left front line. Stripped the hard line connector at the rubber line so I ordered new rubber lines for both sides up front. I also stripped the bleeder screw on the front right so I ordered a new caliper. Should have done that for the front left. Running out of money though

[GTRS Fiero]

If the caliper is not damaged, it can be cleaned and re-used.  Less expensive, that way.

You may check if the club has an alternator.