Up stream o2 Oxygen sensor above 3 volts? - Toyota Yaris Forums

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Up stream o2 Oxygen sensor above 3 volts?

05-19-2014, 09:47 PM

CTScott

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Quote:

Originally Posted by Yangs

i notice its not a o2 narrowband sensor. its actually an air/fuel wideband sensor. im surprise.

Correct. The downstream one is a normal 02 sensor, but it too is operated in a current control mode.

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