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Check connections first for broken wire.
You just need a wrench or an O2 socket.

 

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Only one size for O2 sensors and that's the one shown. I believe it's 7/8"
 

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Bank 1 Sensor 1 is prior to CAT.

Bad fuse would show codes for both HO2's.
 

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Where did you get an OEM or ACDelco HO2 sensor for $16?
 

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Is your car an SS?
 

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I believe that one is only for the SS, not sure though.
 

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And that is not a sensor, just the plastic connector.

---------- Post added at 04:34 PM ---------- Previous post was at 04:32 PM ----------

I lied, but it's still going to fail regardless. You need the AC Delco.
 

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Discussion Starter #18
Wow that was surprisingly easy. Did need pb blaster. Just popped the hood and went to town.


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---------- Post added at 04:18 AM ---------- Previous post was at 04:17 AM ----------

Is there a way to visually see how bad the old o2 sensor is? Ive never seen a used o2 sensor before.


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---------- Post added at 04:31 AM ---------- Previous post was at 04:18 AM ----------

Didnt*


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Why? Let a sleeping lion sleep.
 
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