Think I'd be disconnecting the battery, getting in and step on the brakes a few times, reconnect the battery and go for a 30 min drive (at least).
This will reset the ECU and maybe it will setup the idle better.
Bonus is you get to retune all the stations on your radio
05 NCLE, Cosworth SC,PF01,Ohlins,Selby,GWR exh,TDR tune
"We're only given a tiny spark of madness.We mustn't lose it"(Robin Williams)