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Narrow and Wideband?

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Old 08-17-2007, 09:31 PM
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Default Narrow and Wideband?

What is the difference between a narrow and wideband Air/Fuel Ratio gauge? I honestly have no idea and I'm hoping someone here knows lol.

-Dave
Old 08-18-2007, 05:13 AM
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narrow band o2 sensors are only accurate around stoich. Hence thats the only time they apply feedback in a closed loop system. A wideband is accurate from around 10:1 - 20:1, the voltage is 0-5v and it is linear.




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