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P2A03 Diagnostic Trouble Code Discussion for February 2010

Air Fuel Sensor (Bank 2 Sensor 1) Circuit Range / Performance

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Trouble Ticket Help Requests for DTC P2A03
Help Request Posted
2006 Nissan Pathfinder SE 4.0L MIL Lamp on VIN: 5N1AR18W46
P2A03: Air Fuel Sensor (Bank 2 Sensor 1) Circuit Range / Performance. ... read this post. I have this 06 pathfinder which keeps setting this code P2A03, came from another shop that replaced bank 2 sensor 1 a/f sensor. MOD says the sensor has fallen out of range either rich or lean. Checked freeze frame and both fuel trim #s were...
February 27, 2010