car hesitate when reach operation temp
 

just finish putting my turbo kit all together got my ecu chip running on crome everything is fine idle fine no CEL but the only proplem i have is when i start it up and let it wram up for a min or so then the car run really strong doesnt hesitate but when it fully warm up then it would hesitate in boost i know i have to tune it i dont drive the car much maybe once a week just to curise for 10 - 15min but i want to know what would cuase that propem running too rich when fully warm any help would be great