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P2A03 Diagnostic Trouble Code Discussion for January 2015

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 LE 4.0L MIL Lamp on VIN: 15N1AR1846
P2A03: Air Fuel Sensor (Bank 2 Sensor 1) Circuit Range / Performance. ... light on we found code P2A03 we smoke test intake didn't see any leak we CK for exhaust for leak and that was good we inspect the wire harness and ground we CK wire from the PCM to the sensor and that was good so we R/R the upper and lower bank 2 sensor di...
January 20, 2015