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Old 02-25-2011, 03:48 PM   #13 (permalink)
cfg83
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1999 Saturn SW2 - '99 Saturn SW2 Wagon
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hummingbird -

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 (good question). Each gizmo has it's benefits and detractions. The SG is plug-and-play for any 1996 or newer car. The MPGuino requires splicing into wiring and has it's own calibration process, but it is more accurate and can work on all fuel-injected cars.

CarloSW2
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