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My engine light came on & I had it tested at Autozone showing a failure with the "Bank 1 Oxygen sensor". I was told it was located just pased the Catalytic converter. I could rent a special socket & change it myself.

Just wanted to make sure of the location and IF?... the Engine light would go off automatically when new part was replaced, barring any other problems of course.

One Note: I have a GMPP 100K warrenty $0. deductable. A dealer will cover the cost & installation of the sensors.....BUT! I would have to pay for a Diagnostic check for $85! up front. OMG WTF. I'm doing it myself for LESS than the Diagnostic check!!!!!!!!!!!!!!!

Anyone with any ideas???
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