It drives well enough, though a little rough. And you're right on it not being a transmission issue, as it stuttered when in park. I don't get a CEL when it does it though.
I'm trying to run down the list of potential issues my old girl has. Whenever I set the transmission to drive or neutral, after 10 or so seconds of coming to a stop and idling she starts dropping revs and revving up. Stabilizes when I give it more gas. It doesn't have this issue when I have the...