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Old 12-03-2008, 09:14 AM   #108
99BettySE
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Join Date: Aug 2008
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Quote:
Originally Posted by njmaxseltd View Post
You guys do not know how to correctly calculate MPG. Reading your gas gauge is not the way to do it.

You need to fill up, reset the trip ODO and drive until your almost empty. Then fill up again, watch the gas pump and make sure you record the gallons the pump puts into your tank. Now take the miles on your trip ODO and divide it by the gallons used.

That is the only way to calculate your MPG. Watching your gas gauge is the IDIOT way to do it and is grossly(sp?) inaccurate.
Or get one of these: http://scangauge.com/
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