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Old 11-12-2012, 02:50 PM   #289 (permalink)
bestclimb
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Join Date: Oct 2009
Location: South Central AK
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escort - '99 ford escort sport
90 day: 42.38 mpg (US)

scoobaru - '02 Subaru Forester s
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Quote:
Originally Posted by roosterk0031 View Post
If the computers sending less fuel the fuel trim % should change, SGII should pick that up with the X gauges on some cars (not that I know how to use them).
Hmmm if you were to get a car up to operating temp, keep a constant throttle position and load on a rolling road. pop the magnet on and off while logging the trim, I wonder if you could even pick an effect out of the noise?

The trim bounces up and down a couple of % constantly.
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