Pressure may be present when opening your deck fill regardless of system type.
Problems filling boat gas tank.
Your boat may sit for months in the off season and your car rarely.
A boat s gas tank is different from your car s gas tank.
Taking a look on the outside of the hull and seeing if the vent is even there if it is corroded broken or upside down.
Owners should only open the fuel cap for refueling.
A boat fuel tank overflow can be caused by a clog in the vent.
Knowing the tank can t possibly be full i keep working on filling the tank at a rate of less than a gallon per click until 10 12 possibly more gallons later i see gas come out of the tube.
Shortly after i had a new fuel tank installed i discovered a problem a boat gas tank vent problem.
The nozzle continually shut down as if the tank were full until a gusher of gas spewed from the vent.
If fuel gets into the water you can get into trouble quickly so you can t continue to boat with a small leak.
Since it s not pressurized filling it can be more troublesome.
It was difficult to put gas in the tank.
The fuel tank vent is located on the outside of the boat normally relatively close to the fill port on the gunwale of the boat.
Then i could fill up just fine.
Original equipment manufacturers mechanics and boat dealers as well as the american petroleum institute the steel tank institute and other well intentioned professionals have offered widely differing opinions in the past on whether to leave tanks full or empty during storage but recently they have come to the same conclusion.
Is the fuel tank vent clogged.
It s already been determined that the issue with a lot of boats is the vent tube not providing adequate vent while filling causing the gas to back up.