O2 sensor Location

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bob - 27 Jun 2008 21:53 GMT

Can anyone help with location of O2 sensor location in Kia Rio 2003. I know
about the one after the manifold but I think this model has 2 and I am
looknig for the second one.

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Devils Advocate - 28 Jun 2008 00:33 GMT

both on exhaust system

> Can anyone help with location of O2 sensor location in Kia Rio 2003. I
> know
> about the one after the manifold but I think this model has 2 and I am
> looknig for the second one.

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Jim Yanik - 18 Feb 2009 18:54 GMT

> both on exhaust system
>> Can anyone help with location of O2 sensor location in Kia Rio 2003. I
>> know
>> about the one after the manifold but I think this model has 2 and I am
>> looknig for the second one.

all cars 1996 and newer(OBD-II) have at least 2 O2 sensors.

one O2S before catalytic converter,one O2S right after cat.
1st O2S controls air/fuel mix.
2nd O2S checks catalytic operation.

V-6's and other V motors have more sensors,1 for each bank of cylinders,1
after every catalytic.

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Jim Yanik
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