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post #1 of 6 (permalink) Old 03-08-2011, 04:50 PM Thread Starter
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'06 LS O2 Sensor Location

Hi, New Guy here,
Can anyone tell me where can I find the O2 sensor on my 2006 cobalt LS 2.2?
Also, can I get at it from the engine compartment?

Thanks,
Hank
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post #2 of 6 (permalink) Old 03-08-2011, 04:52 PM
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Your 02 sensors are both on the downpipe. You might be able to get the front one. But its much easier to jack it up and get it from the bottom

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post #3 of 6 (permalink) Old 03-08-2011, 05:34 PM Thread Starter
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Thanks Banker,

There are 2??? How do I know which one it is that's causing the light to come on? BTW- it's been on for 6 months and the car runs fine.
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post #4 of 6 (permalink) Old 03-08-2011, 05:46 PM
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the code will say eaither "02 sensor bank one sensor 1... or bank one sensor 2...


om not 100% sure but... im almost positive sensor one is the closest to the front of the car... and sensor 2 is closer to the back... sensor 2 is right around the cat...pretty sure its right before the cat... sensor one should be just under the manifold...


hope this helps



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post #5 of 6 (permalink) Old 03-08-2011, 06:04 PM Thread Starter
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Thanks,
It's sensor One.
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post #6 of 6 (permalink) Old 03-08-2011, 06:51 PM
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sensor one is before the cat, sensor two is right after and before the resonator on the downpipe

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