Hellomaybe someone knows what's wrong. when the engine is cold the rpm are fine. when the engine is hot it starts jumping from 1000 to 100 rpm until it shuts off.
engine is b18c4 turbo
I run the engine on a Hondata S300 on Basemap

 

What are your idle settings? Are you running open loop or closed loop? Any trouble codes? Have you tried unplugging your IACV and seeing if it improves?

Are you planning to have it tuned? If so, just wait till a tuner can look at it.