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Old 05-12-2009, 03:57 PM   #6 (permalink)
cfg83
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1999 Saturn SW2 - '99 Saturn SW2 Wagon
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SVOboy -

Quote:
Originally Posted by SVOboy View Post
Welcome to ecomodder! I thought your highway mpg sounds good, but it's hard to be sure. You could monitor the o2 sensor with the SGII and see.
You mean with an X-Gauge? If the HX is injecting more fuel because of a bad 02 sensor, then the SGII might not "see" this because it doesn't use the 02 sensor in it's MPG formula. At least that is what we have speculated in other threads.

CarloSW2
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