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P2A00 Diagnostic Trouble Code Discussion for June 2008

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

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Trouble Ticket Help Requests for DTC P2A00
Help Request Posted
2006 Nissan Altima SL 3.5L MIL Lamp on VIN: 1N4BL11E76
P2A00: Air Fuel Sensor (Bank 1 Sensor 1) Circuit Range / Performance. Bank 1 air fuel sensor reads 1.25v versus 1.55 volts for bank 2. Lower voltage reading indicates richer condition. We replaced sensor to rule out bad part and installed the one we removed in the other bank just to make sure the readings were correct. The volta...
June 23, 2008