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Old 06-25-2012, 07:03 AM   #10
bar10dah
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Quote:
Originally Posted by ProjectM96 View Post
Everytime I fill up the tank, I reset the mileage counter so I know how many miles I drive on a tank of gas.

It looked like the needle on the gas gauge was going down much faster than usual. So I went back to the gas station the next day and refilled it to see how much gas I really used in that 18 miles. It filled up with 2 gallons of fuel.
You will not get an accurate measurement after only 18 miles. Like I said before, drive until you're at less than 1/2 tank. Better, less than 1/4 tank. Then refill and calculate. Fill up from the exact same pump you used on the last fill-up.
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