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Old 02-07-2014, 08:39 AM   #135 (permalink)
sarguy01
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Join Date: Jan 2010
Location: Virginia Beach
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Mazda5 - '12 Mazda 5
90 day: 25.22 mpg (US)

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Quote:
Yes, so you answered your own question. It doesn't matter if you are burning gasoline in liquid or vapor; as you increase combustion efficiency your exhaust oxygen content will rise.

No. That is a common misunderstanding. The EFIE is NOT a fuel saver, ask anyone who has installed it without also installing an actual combustion enhancement technology.
Why do I need it at all then? I didn't answer my own question...if the engine is still burning gasoline, then the O2 sensor will still function properly, with no need to "trick" it??
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