So I just bought this deck boat and was having some fuel problems after running at low idle for a long time. Thought I would change the fuel filter, however there does not seem to be one. The old gas tank was replaced with a 10 gallon tank and the lines run right to the fuel pump. There is no filter that screws out of the bottom of the pump. Where is the filter? Was it on the original tank, in line or built into the pump. Do i have to change out the whole pump. Thanks for the help.