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P0051 Diagnostic Trouble Code Discussion for July 2010

Air Fuel Sensor (Bank 2 Sensor 1) Heater Control Circuit Low Voltage

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Trouble Ticket Help Requests for DTC P0051
Help Request Posted
2007 Toyota Avalon Limited 3.5L MIL Lamp on VIN: 4T1BK36B27
P0051: Air Fuel Sensor (Bank 2 Sensor 1) Heater Circuit Low Input. Found bulliten t-sb-0114-08 says if vin is before prod change to service 1 sensor,you have to replace both a/f sensors and rh exhaust manofold.is this correct or can you replace affected sensor only. Called dealer they provide no help to outside shops only to ...
July 28, 2010