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Old 05-07-2008, 06:20 AM   #1 (permalink)
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Join Date: May 2008
Location: St. Louis, MO
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Mazda3 - '08 Mazda Axela/3 S Grand Touring
90 day: 33.89 mpg (US)
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New guy here from MO.

Hey all, I drive a 2008 Mazda3 hatch 2.3L ATX. The car gets *OK* gas mileage I suppose, but I'm doing all I can to improve that since I have a LONG commute to work and gas just hit $3.69 in my area. Anyway, this is what I've done so far modwise:

- Switched to Amsoil 0W-20 synthetic oil.
- I keep the tires at the max pressure indicated on the sidewall.
- I grounded my throttle body.
- I installed a cold air intake.

As far as driving habits, I take it pretty easy, try to keep the car under 2500 rpms as much as possible. I use cruise control on the highway. I put the car in neutral when going down a grade and sometimes to coast to a stop. I keep the windows up & a/c off for the most part. I plan to buy a Scanguage to help track mileage more accurately.

Any suggestions on other things I can do to improve mileage would be great!

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Old 05-07-2008, 06:44 AM   #2 (permalink)
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Hello and welcome to the forum! I am sure someone will get some info for that model or sit back and browse all the other topics here.

GeoMetroforum.com - got mpg?
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Old 05-07-2008, 09:02 AM   #3 (permalink)
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Location: Hanover, NH
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Vegan Powa! - '91 Honda CRX DX
Team Honda
90 day: 66.52 mpg (US)
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Welcome to the site! My family comes from Chillicothe, so not that close by, but out there none the less.

Do you know what kinda mileage you're getting now?
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Old 05-07-2008, 09:06 AM   #4 (permalink)
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Join Date: Nov 2007
Location: 1000 Islands, Ontario, Canada
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Blackfly - '98 Geo Metro
Team Metro
Last 3: 70.09 mpg (US)

MPGiata - '90 Mazda Miata
90 day: 52.71 mpg (US)

Even Fancier Metro - '14 Mitsubishi Mirage top spec
90 day: 70.75 mpg (US)

Appliance car - '14 Mitsubishi Mirage ES (base)
90 day: 52.48 mpg (US)
Thanks: 4,062
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Hi Mazda3 - welcome.

Starting out, the best advice would be to record/track your fuel use, so you can watch your progress - that's your slo-mo feedback. The ScanGauge is an excellent idea - you won't go wrong there for the instant feedback you need to adjust your driving habits. (I should own stock in that company, I recommend it so often...)

You need to set up a garage entry for your car in order to use the fuel log here.

I take it you've seen the driving tips list?
Project MPGiata! Mods for getting 50+ MPG from a 1990 Miata
Honda mods: Ecomodding my $800 Honda Fit 5-speed beater
Mitsu mods: 70 MPG in my ecomodded, dirt cheap, 3-cylinder Mirage.
Ecodriving test: Manual vs. automatic transmission MPG showdown

has launched a forum for the efficient new Mitsubishi Mirage
www.MetroMPG.com - fuel efficiency info for Geo Metro owners
www.ForkenSwift.com - electric car conversion on a beer budget
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Old 05-08-2008, 01:20 AM   #5 (permalink)
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Join Date: May 2008
Location: St. Louis, MO
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Mazda3 - '08 Mazda Axela/3 S Grand Touring
90 day: 33.89 mpg (US)
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Well, right now I'm getting around 24 mpg city and 34 mpg highway. I have a trip/fuel computer that's stock on my vehicle, but I'm not sure how accurate it is.

I set up my garage entry & read the driving tips. The tips were good, I learned a few things.

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