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P0161 Diagnostic Trouble Code Discussion for February 2005

Heated Oxygen Sensor (Bank 2 Sensor 2) Heater Performance


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Trouble Ticket Help Requests for DTC P0161
Help Request Posted
1996 Mercury Cougar XR-7 4.6L MIL Lamp on VIN: 1MELM62W8T
P0161: H02S22 Heater ckt fault. ... smog, Check Eng Light on. Found DTC's P0135, P0141, P0155, P0161, all Heater Ckt's on 02 sensors. Also P0171 & P0174-lean codes. and one P0156 description is HO. Cleared codes and test drove, all 02 sensor codes came back on. Checked all sensor connect...
February 04, 2005
1996 Mercury Cougar XR-7 4.6L MIL Lamp on VIN: 1MELM62W8T
P0161: H02S22 Heater ckt fault. ... smog, Check Eng Light on. Found DTC's P0135, P0141, P0155, P0161, all Heater Ckt's on 02 sensors. Also P0171 & P0174-lean codes. and one P0156 description is HO. Cleared codes and test drove, all 02 sensor codes came back on. Checked all sensor connect...
February 04, 2005