Last weekend the boat (2006 Mobius LS) was showing 1/8-1/4 tank when up on plane..... Empty when not moving. Okay.... Time to head back.... And call it a day right....

Well, on way home I stop and fill the tank and it takes 20.5 into the 34 gallon tank..... Really would like to garner a better feel for how much fuel is left.....

Need some help on ideas to rectify..... Or a ball park on hourly fuel consumption.... I know ovaries on what you are doing..... But an average or starting point or gauge solution would be a big help....

Thanks

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