Quote:
Originally Posted by meltedpanda
Where is the tank vented? I think mine may be stopped up, I get a large air vacuum release when I open fuel cap ( tank at 1/4)  |
Have you got a charcoal cannister?
If so, then thats where it's vented. Your tank should hold some pressure and when it reaches a certain point an inline pressure relief valve will open dumping the excess pressure into the charcoal cannister. Could be the valve is pooched.