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P0161 Diagnostic Trouble Code Discussion for June 2011

Heated Oxygen Sensor (Bank 2 Sensor 2) Heater Performance

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Trouble Ticket Help Requests for DTC P0161
Help Request Posted
2002 Alfa Romeo JTS 2.0L Misfire, MIL Lamp on VIN: ZAR9320002
P0161: bank 2 sensor 2 heater circuit. Hi, Hope I can get some technical information, all data doesn't have anything. I found the bank 2 sensor 2 HO2S wiring with melted insulation on the heater circuit shorted to ground, I removed the sensor and tested for voltage on the other Ho2s circuits and he...
June 04, 2011