Possible causes – Air Fuel Ratio Sensor 1 Bank 2 harness is open or shorted– Air Fuel Ratio Sensor 1 Bank 2 circuit poor electrical connection– Faulty Air Fuel Ratio Sensor 1 Bank 2 Tech description There is a factory service bulletin for the following Infiniti models: 2004-2005 Infiniti FX352004-2005 Infiniti FX452004-2005 Infiniti G35 Sedan2004-2005…