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Old 02-19-2009, 11:15 PM   #8 (permalink)
MetroMPG
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Join Date: Nov 2007
Location: 1000 Islands, Ontario, Canada
Posts: 22,457

Blackfly - '98 Geo Metro
Team Metro
Last 3: 70.09 mpg (US)

MPGiata - '90 Mazda Miata
90 day: 55.97 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: 67.41 mpg (US)
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Daox: Paseo mileage! I can hardly stand to look at myself in a mirror!

I'm thinking it might be a combination of:

1) short fill last time?

2) I'm definitely doing more "cold start"/non-block heater assisted driving, since the car is too far from a plug this winter. And we know the ScanGauge at best does an educated guess at open loop air/fuel ratios, which I'm experiencing more.

3) Maybe I somehow messed with the distance offset (haven't checked yet).

4) No gas leaks. I'd have noticed that. I've been all around the car, including under the hood and in the hatchback a bunch of times.

5) Maybe the pump is badly calibrated - I've never used that particular gas station in my life.

If I drove the car more regularly, maybe I'd be better able to say where the fuel gauge "should" be at a given distance. Un/fortunately, I don't.

Deezler & NachtRitter - good luck! You've got until late March or early April before I fill up again on my drive back to Ontario.
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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



EcoModder
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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