06-13-2022, 10:14 AM
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#33 (permalink)
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Master EcoModder
Join Date: Dec 2011
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The G1 Honda Insight (2000-2006) ran at a 24:1 AFR. It had two catalytic converters and they worked fine.
To achieve this it would drop out of lean burn every 5 minutes or so, for ~10 seconds, to reheat the cat. The fuel economy hit from this was negligible.
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