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2001 Hyundai Elantra Question: o2 sensor

 

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nitrojoe, SOHC, Hammonton, NJ, March 26, 2009, 04:05
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I have a code that reads bank 1 sensor 2 which o2 sensor is this the one on exhaust manifod or after the convertor? their like 85 dollars i don't want to buy both of them thanks.

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  • Answer #1

    hemicuda March 26, 2009, 11:17
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     Master

    It is the Oxygen Sensor that is screwed into the exhaust pipe just past the catalytic converter. Sensor 2 means the downstream O2 sensor, post converter.

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  • Answer #2

    dandd March 26, 2009, 11:19
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     Master

    This is the CAT monitoring sensor that is to the rear of the CAT converter.

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  • Medium-star Best Answer
    Visitor, April 20, 2010, 17:06

    how do u change an o2 sensor before the catalit converter?

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