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Thread: Wide band A/F meter reading
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01-09-2015 #1
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Wide band A/F meter reading
Just curious, my wide band A/F meter reads 22.4 when the sensor is in free air (outside the exhaust system). Is this correct considering atmosphere has 20.9% oxygen content?
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01-10-2015 #2
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Most instruments are not accurate at the extremes of their range. That said, my Holley wideband reads 20% before I start the engine.
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04-26-2015 #3
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Wideband O2 sensors ALSO must get hot before they are properly accurate, like at/near 600F deg.
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04-27-2015 #4
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My Innovate reads the same before starting
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