sputtering

I'm new to both Husabergs and fuel injected bikes. Point me in the right direction. I just bought a 2010 FX450. It had a new fuel pump installed last year. It runs fine at high rpm, but when I blip the throttle off idle, the engine sputters and dies. If this were a carb bike, I'd start by...

Ok so after getting some tires and other things sorted on my 03 FX 650 I got to ride it a little and found when the bike starts to get hot (operating temp) it will sputter or hesitate on acceleration almost like poping and missing If i get on the throttle hard the bike seams ok. The carbouration...