I have a scanguage, and have run the first calibration for it.
My wife is currently driving the car, and made me remove the guage because it "bothered" her, so I'll have to redo everything once I get my car back.
Hopefully the SG does a better job.
I love this thing though, according to my SG, I was getting 25mpg or so by just doing some basic dwb and dwl -ing.
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