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Old 11-20-2009, 05:52 PM   #1 (permalink)
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Join Date: Jul 2008
Location: Mancelona, MI
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My ZX2 - '99 Escort ZX2
Team ZX2
90 day: 39.53 mpg (US)

Her RAV4 - '011 Rav4 4x4
90 day: 23.7 mpg (US)
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Arduino based AFR

Has anyone seen this before?

http://faculty.unlv.edu/pushkin/yout...ects/Pratt.pdf

I know a wideband is the way to go, but I had something like this running through my head a while back and thought it might be worth a shot. Looks pretty cheap to make.


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