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Old 11-16-2016, 12:47 PM   #163 (permalink)
Ecky
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Join Date: Dec 2011
Location: New Zealand
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ND Miata - '15 Mazda MX-5 Special Package
90 day: 39.72 mpg (US)

Oxygen Blue - '00 Honda Insight
90 day: 59.95 mpg (US)
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It's normal for the car to drop out of lean burn every few minutes to purge the cats, especially if you're at higher load. If it's a purge cycle, it'll go back into lean burn in ~30 seconds automatically.
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