Normal. Especially below half a tank.

 

Moves all over the place, any fix for this? Acceleration makes it show lower, braking shows higher. Turns left fill it, right turns kill it. Doesn't actually stall, just moves a whole lot. It can go from a half tank back to half and anywhere in between.

 

It's normal and this topic has been covered many times before.

By the way, the disturbing out-of-order posts is being discussed in the moderator's forum.