2014 leon 2.0 tdi 150

Hi, Sorry if I can't create this topic or if has another with the same question, it's because is a bit urgent as I'm close to do a deal for a SEAT Leon FR Tech Pack 2.0TDI 150 DSG 14 plate. Just for peace of mind, I would like to have some opinions about this car? If anyone has it, could tell...

I have 2014 Leon 2.0 Tdi 150 with 46000 miles and in recent months it started to show signs of minor hesitation when driving in 3rd or 4th gear in revs between 1500 to 2000. The issue got progressively worse to the point where the car started to jerk and hesitate severely and I could only...