Hybrid racing cai & j37 Idle bouncing issue

[Red888]

hi guys..
I got a new setup on my fd2r which is using hybrid racing cai(NEW) and j37 throttle body(used)..everything work fined but got some issue when throttle off(release a fuel pedal), my idle got bouncing until 500 rpm before it turned to idle rpm 900..my car already tuned but my tuner doesn't have solution for this issue..i attached the hondata file for u guys to look through...hope someone can help me..thanks guys

[CalibratEd]

Did you check for potential vacuum leaks?

-Ed