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What is the location of O2 Sensor 1 in Bank 1 on a 2010 GMC Acadia?
I am really hoping it is the one right up front and easy to get to, but I'm pretty sure it's the one behind the engine block.
Also, any tips to make the job easier?

Vehicle: 2010 GMC Acadia

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When you replace the 02 sensor it is very important you do a 02 sensor relearn, the way you do it is to clear the code with a scan tool , regardless if there is a code set or not, This reset the fuel trim and the ECM relearns the 02 sensor here use this for the location

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