Rough idle and engine cuts out?

Hi, recently my car has been idling very rough at stop lights or in my driveway. But starting a few days ago it has now started idling too low and then the engine just completely cuts out. It starts right back up when I turn the ignition but unless I put the car in neutral and rev it, it cuts out completely. I recently changed the spark plugs, ignition coils, and engine air filter. I also had it in the shop a few weeks ago for transmission issues, because apparently the transmission plug had popped out in the past and I was running it dry for an unknown amount of time; the shop did a full transmission flush and seemingly fixed it, but just thought I'd throw that in there in case for some reason it might be a transmission issue. Also, there are no engine lights dash lights at all that indicate an issue.