help needed

[binrabbit40]

hi all i got a problem with my a3 sportback the probem is when take my foot of the throttle the car feel unstable on the road it seems to be like im going to loose control so any help would brill thanks

 

[Khufu]

could be loads of things but 1st thing I would check is the rear bushes of the front wishbones. If they are worn it can cause wandering & a vague feeling to the steering. You also could look at the bottom balljoints & trackrod ends for play too.