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Old 11-22-2007, 02:19 AM   #1
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Default What'* the avg. mpg?

Is there a reason Shadowfax is getting 16.4 MPG?
That seems extremely low...
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Old 11-22-2007, 02:23 AM   #2
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Have you checked your air filter or o2 sensor?
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Old 11-22-2007, 02:26 AM   #3
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Have you checked your foot?

Umm..well...we're not psychic! Tell us some stats!

Last tuneup (plugs, wires, oxygen sensor, pcv valve, air filter, etc)
Amt of city/hwy driving
Normal tire pressure
Normal alignment
type of oil used
and any other information that you think might be useful.
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Old 11-22-2007, 02:32 AM   #4
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Well the only thing I've done to the engine in put in a FWI and that usually should imrove your gas mileage by a small margin.
I've been taking it easy on the gas since the summer because I wanted to see what I could actually get for mpg.
But what'* weird is that it was like 17.5-18 in the summer.
And it'* pretty much all city driving, which I know would have an effect but still...
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Old 11-22-2007, 02:34 AM   #5
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it would help to know the current mileage...and what the mileage was when you got it.
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Old 11-22-2007, 02:43 AM   #6
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That sounds about right for all city driving. Some of us lead foots would kill for 16 mpg all city...
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Old 11-22-2007, 05:01 AM   #7
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depends on the city, if its constant stop and go, yes 16-18 is normal with any bonneville.

More curious about the strictly highway as that is a better indicator.
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Old 11-22-2007, 10:17 AM   #8
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Quote:
Originally Posted by Shadowfax217
But what'* weird is that it was like 17.5-18 in the summer.
And it'* pretty much all city driving, which I know would have an effect but still...
With the colder weather, are you letting it idle longer to warm up? I have a garage, but I always drop at least 2-3 mpg in the winter vs the summer because of the idle time. Also, the gas mix in my area changes with the season will cause lower mpg in the winter. I didn't notice it this year though - usually it occurs around October.

Remember to check the air in your tires too... mine were all low by 2-3 lbs...instant increase in mileage by 2 mpg!
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Old 11-22-2007, 12:33 PM   #9
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Well mileage is a bit under 100000.
I got it around 87000 ish.

But I thought it was supposed to get like 20 mpg at least but if that'* how it'* supposed to be then I guess I'm ok
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Old 11-22-2007, 08:37 PM   #10
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my bonnie is getting 21 mpgs with a mild foot in mixed highway and city. with a conservative foot and on the highway mostly, i can manage 28-33mpgs
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