Where is the Bank 2, Sensor 1 HO2S on a 2006 Infiniti M35X? Thanks.

Question

This question is related to the P0051 code.

Answer 1

P0051 A/F sensor 1 heater

Bank 2 sensor 1, Bank 2 represent the cylinders where number 2 is , Sensor 1 are the unpstream 02 sensor (even though this is a A/F sensor it reffered to as a 02 sensor)