Help Corsa Vxr When accelerating it juggers / holds back before accelerating?

[MoDawud]

Hi guys im stuck and curious on how to fix the problem or even know what the problem could possibly be?
When i accelerate the turbo or well the car juggers / holds back for a sec before letting off.. What could be the issue here?

Core? or something else!

Thanks!

[u33db]

Usual suspects are coilpack, plugs.

Does it do it when cold, hot or both?