well put car back together after recently painting and ran perfect but went to drive 3 days after car had no problems and.... I start the car and idle goes up and down consitantly and pegs my wideband 10.0 rich..... well after alot of investigating found out a board inside my ecu came unplugged

well i plugged it back up started the car back and it acted normal went to take it down the road to see if all was fine and now if i give it more than about half throttle it bucks like you let in and out of the gas... its pulling boost fine... and seems to be not very noticable and cool temp but then gets worst when gets warm.... have been working on for about a week now and cant find the problem.... any help is appreciated