You have a 19 gallon tank. See how much fuel you are putting in it when it says it's empty. Then just do a little math and see how many gallons you had left and drive it like empty with a gas can just in case. But calculate mpg based on initial fillup so that way you've gotta ballpark of how many gallons are left.
Last edited by 7419sundat; 09-18-2014 at 07:09 PM.
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