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Old 11-11-2009, 10:03 PM   #6 (permalink)
MetroMPG
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Join Date: Nov 2007
Location: 1000 Islands, Ontario, Canada
Posts: 22,515

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)
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Quote:
Originally Posted by RobertSmalls View Post
If you really want to calibrate your level sensor voltage vs. volume of fuel in the tank, I don't see any option other than draining the tank, then adding carefully measured amounts of fuel while recording voltage. That's a lot of work, and you might be unimpressed with the accuracy anyway.
krousdb did this - calibrated his fuel level sender's voltage - when he was driving his pre-ODBII del Sol, and he actually managed to get decent accuracy from it. To the point that when parking the car back at home at the end of each day, he was able to make decent estimates of his trip MPG (fairly long trip, though).

It's something I'd do if I didn't have access to either a ScanGauge or MPGuino.
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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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