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P0161 Diagnostic Trouble Code Discussion for October 2023

Heated Oxygen Sensor (Bank 2 Sensor 2) Heater Performance


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Trouble Ticket Help Requests for DTC P0161
Help Request Posted
2007 Ford Explorer XLT 4.0L Poor Idle Quality, MIL Lamp on VIN: 1FMEU63E07
P0161: B2s2 heater circuit fault. Hi my Ford people! Have an explorer with 7 codes at one time. Clear, all come back as soon as you start vehicle. Checked all powers, good, grounds good. Can watch on computer oxygen sensors turning heaters off and on, A/C works Great! Not sure where to go ...
October 27, 2023