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Discussion Starter · #1 ·
I've got a 2006 3.5. It's my understanding that there are 2 upstream o2 sensors. I've found the one right below the coil pack which I believe is bank 1 sensor 2. For the life of me I can't find sensor 1. Does anyone know where it's at specifically or have a diagram? Thanks in advance!


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Typically it's near the cat converter. Sounds like you found the upstream one so the downstream one should be close to the out side of that cat. Might be a bit of a bear to dig out. Let us know how you make out.
 
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