problem with my emag valve

[Utu]

My emag (with level 10 no extra parts) valve will shoot when I pull the trigger, the next time I pull the trigger it kinda makes a hissing sound, next time I pull the trigger it shoots, next it hisses. repeat repeat repeat.

Any idea what it is doing and what I can do to fix it?

Thanks all!

[RobAGD]

You need to retune the lv 10

If you dont have any of the carriers or shims you will need to order them.

-R