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Old 01-23-2009, 12:51 PM   #16 (permalink)
Coyote X
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Join Date: Dec 2007
Location: Southen West Virginia
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Metro XFi - '93 Geo Metro XFi Convertible
90 day: 62.17 mpg (US)

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Put a 22K resistor in for R2 in the picture and it seems to read properly now. Apparently I was only reading the very low end of the signal before because with the calibration I was using it is reporting 10gph at idle now

I will adjust the calibration now and hopefully it should be all good. I will keep the laptop showing the injector pulse width and keep track of the MPGuino for a while and make sure it is long term stable but it seems about right now.

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