Where can I find the Oxygen Sensor?

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Ohsixdenali

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I am going to install a Fuel to Air Ratio Gauge on my 2006 Denali and need to find the Oxygen Sensor so I can tap into the wiring on it. Anyone know where I can find it at? Also if possible can you provide a picture?
 

BRUTUS_T_HOG

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There are 4. 2 for each bank of the engine. The one you want to tap into would be one ahead of the catalytic converter. Just follow the exhaust pipe starting at the engine and you will find one
 

crabbman

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Hello, i was told by AUTOZONE to replace the #2 O2 sensor.
Forgot to ask location os #2.
Whick one is it out of the four?
 

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