Focus Fanatics - View Single Post - 2003 ZTS - horrible gas mileage - 16.3mpg - HELP
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Old 09-29-2012, 12:47 PM   #17
PWGuy
Focus Enthusiast
 
Join Date: Nov 2011
Fan#: 91777
Location: Rockford, IL
What I Drive: 2003 Pitch Black ZTS Sedan

Posts: 217
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Quote:
Originally Posted by BC_ZX3 View Post
Or you could learn how to measure your fuel usage properly...

Your fuel tank capacity is irrelevant. Your fuel needle gauge is inaccurate for estimating the fuel remaining.

Fill the tank with gas until the pump clicks off.
Reset trip odometer to zero.
Drive (and consume at least half a tank.)
Fill tank again until pump clicks off. Record the amount used.
Record the trip odometer reading.
Trip odometer reading / fuel used = economy.

2.9 miles? Your car's not even going to reach operating temperature. You're going to get crappy mileage.
Thanks
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