Ford Mustang Forum - View Single Post - Is the gas mileage reading correct?
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post #2 of (permalink) Old 09-13-2006
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Unless you're in constant stop and go traffic, I'd say that's a bit low. I average around 22 even with all the mods. Even higher on straight hwy driving. Try disconnecting the negative battery terminal for 30 minutes to reset the computer.

1965 Mustang Coupe
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