Our 04 STX-12F always has pressure in the fuel tank which seems unusual to me. Whenever I remove the filler cap a seemingly large rush of fumes escapes, is this normal or is there something I should check? I removed the check valve from the vent line and it only allows air towards the tank as it is supposed to.

Thanks in advance for your thoughtful responses!

 

Better to have a little pressure than a vaccum. Welcome to KF!

 

Thanks!!!