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P0161 Diagnostic Trouble Code Discussion for April 2005

Heated Oxygen Sensor (Bank 2 Sensor 2) Heater Performance

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Trouble Ticket Help Requests for DTC P0161
Help Request Posted
1997 Ford Thunderbird LX 4.6L MIL Lamp on VIN: 1FALP62W1V
P0161: LR O2 sensor heater circuit. Hey guys. I have a T-Bird with MIL on with O2 heater codes. Running KOEO test shows all 4 codes. If I clear the codes, and run the engine while watching the heater circuits for faults, only the Left bank will set codes. The red wires (heater power) on all sens...
April 24, 2005