I stated in another thread, that I fixed my Shin Edger. For some reason the furl line is developing a full prime. Meaning I guess the tank is building pressure and makeing fuel go into the carb(when not running) which is then leaking out of the carb side or the muffler. How do I stop this. Isnt that why it has a vent line coming out of the tank, so It doesnt build pressure?