2010 997 C4S: I have a CEL. Took to dealer and they quoted: Bank 1 Sensor 1 Oxygen sensor stuck rich. Which of the 4 sensors is this, and if I replace and presuming this is the issue, will the light go out, or do I need to resent. I don't yet own the reset tool. Thanks
__________________
This post was auto-generated based upon a question asked on our tech article page here:
Porsche 911 Carrera Oxygen Sensor Replacement - 996 (1998-2005) - 997 (2005-2012) - Pelican Parts Technical Article