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[ATTACH=full]4777[/ATTACH] [ATTACH=full]4776[/ATTACH] From the Web.These sensors operate by measuring the free oxygen content in the exhaust gas and converting that amount of oxygen into a specific voltage. As you can see from the graph, a narrow-band sensor willdeliver a 0.45-volt reading when the air-fuel ratio is at 14.7:1. Because the voltage line is so steep, the higher and lower air-fuel ratios create tiny voltage changes in this kind of sensor, making this type of sensor notoriously inaccurate at air-fuel ratios on either side of 14.7.
[ATTACH=full]4777[/ATTACH] [ATTACH=full]4776[/ATTACH] From the Web.
These sensors operate by measuring the free oxygen content in the exhaust gas and converting that amount of oxygen into a specific voltage. As you can see from the graph, a narrow-band sensor will
deliver a 0.45-volt reading when the air-fuel ratio is at 14.7:1. Because the voltage line is so steep, the higher and lower air-fuel ratios create tiny voltage changes in this kind of sensor, making this type of sensor notoriously inaccurate at air-fuel ratios on either side of 14.7.
