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there are 2 , the front one and the catalyst one.

Yes, there are two. Depending on which model you have depends on how many catalytic converters you have. On the California emissions model, the is an oxygen sensor directly above the first converter, which is immediately in front of the engine directly off the exhaust manifold. The second sensor is before the second catalytic converter, which is underneath the vehicle approximately directly below the center console.

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โˆ™ 2015-07-15 19:03:50
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Q: How many oxygen sensors are in a 1997 Nissan Altima GXE?
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