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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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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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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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