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Old 02-25-2011, 10:14 AM   #12 (permalink)
PaleMelanesian
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Join Date: Dec 2007
Location: Texas
Posts: 2,321

PaleCivic (retired) - '96 Honda Civic DX Sedan
90 day: 69.2 mpg (US)

PaleFit - '09 Honda Fit Sport
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90 day: 44.06 mpg (US)
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Quote:
Originally Posted by hummingbird View Post
Hey, one doubt here:

If MGuino MEASURES the injector pulses and integrates them, whereas SGII just 'guesses' about the fuel being used, I would expect MPGuino to be more accurate. Is this conclusion correct?

Also, what is the strategy the in-built FE meters in the new generation cars use? SGII one, or straight computation of fuel a-la MPGuino from the ECU itself?
Yes, but... with the SG calibration feature you can make it very close to accurate. Mine has given less than 1/2 gallon TOTAL error over the last 2 years.
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11-mile commute: 100 mpg - - - Tank: 90.2 mpg / 1191 miles
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