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Old 06-25-2012, 04:47 AM   #8
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Join Date: Nov 2010
Location: Philly
Posts: 594
Originally Posted by bar10dah View Post
How do you know you used two gallons? Just by the fuel gauge? The fuel gauge is a best guess. Although, if you noticed the needle moved that much (about 2X) when it usually doesn't, could be something there.

Keep driving it until 1/2 to 1/4 tank, then refill and calculate the fuel consumption by hand?
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.
00 2.7 5SPD MT
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