HI, Trevor here.
I will ask the obvious first. are you sure it is full? You say it shows as full is it full? Do you feel the guage is wrong but know it has some fuel in it. IS the actuator for switching fuel feeds activating? Does teh motor die when you switch tanks?
Please know, that placing a deposit, is not paying for the answer. The only way I recieve credit, is if you click the ACCEPT button. Thanks, Trev!