P0161 Diagnostic Trouble Code Discussion for February 2005
Heated Oxygen Sensor (Bank 2 Sensor 2) Heater Performance
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| 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 |
