Newbe with O2 location question

flobrace

New member
2
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1
Buick Ownership
Regal
Greetings - I have a '12 Regal 2.0 turbo engine light code indicates bank 1 sensor 2 location which is supposed to be after the cat. I located sensor 1 (pre-cat), the center sensor (in-cat), but I cannot physically find sensor 2 after the cat. Does anyone have diagram of all O2 sensor locations. Thanks - Frank
 

flobrace

New member
2
0
1
Buick Ownership
Regal
Thanks for your help. That's what I was thinking bc I couldn't find a third. Problem is the "exact fit" NTK 21067 that I purchased has a male connector the sensor in the cat requires a female connector!
 
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