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P0161 Diagnostic Trouble Code Discussion for September 2010

Heated Oxygen Sensor (Bank 2 Sensor 2) Heater Performance

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Trouble Ticket Help Requests for DTC P0161
Help Request Posted
2001 Ford Escape XLT 3.0L Misfire, MIL Lamp on VIN: 1FMYU01418
P0161: b2s2 o2 heater circuit. Car came in with misfire. cyls 4 & 6 dead. Coils are good, plugs good, compression good, injectors good, injectors receiving signal to fire, removed valve cover and all looks good, fuel pressure & volume good, cat seems good,no misfire codes setting. P...
September 16, 2010
2003 Cadillac CTS 3.2L MIL Lamp on VIN: 1G6DM57N73
P0161: Heated Oxygen Sensor (Bank 2 Sensor 2) Heater Circuit Malfunction. ... found codes: p0160 low 02 sensor activity b2s2 and p0161 heater circuit b2s2 problem. I observed freeze frame data. All looked normal. I cleared codes and test drove vehicle. codes came back in 1 trip failure records.I fo...
September 23, 2010