Quote:
Originally Posted by busypaws
It depends on how you setup the scangauge. You can program the scangauge to calculate fuel cut off on coasting. Or you can program scangauge to assume you idle on coasting in gear. How do you know what your fuel injector actually do so you can program your scangauge? Does anyone know a place to look this up or a way of determining. I'll do some searching to see if I find any answers.
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Before I messed with my scan gauge settings I was getting "9999" as the MPG during times of higher speed coasting. After setting "fuel cutoff" from 24 (default) to 0. My scan gauge was able to report back very high MPG readings without going into overflow mode (9999).