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P0161 Diagnostic Trouble Code Discussion for June 2007

Heated Oxygen Sensor (Bank 2 Sensor 2) Heater Performance

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Trouble Ticket Help Requests for DTC P0161
Help Request Posted
2002 Toyota Camry LE 3.0L MIL Lamp on VIN: 4T1BF32K22
P0161: heater 02 sensor bank2 sensor2. check engine light is on.po141 and po161 dtc codes.o2 rear o2 sensor heater circuit problem. i replace both rear o2 sensors from dealer. light came back on and i replaced them again for defective. and light came back again. any idea.
June 07, 2007
1997 Mercury Cougar XR-7 4.6L No Start VIN: 1MELM62W1V
P0161: HO2S22 heater. This car will not start until the fuel pump does its prime which can last up two minutes. Has good fuel presure as soon as the key is turned on. Car has no spark or niode. Has power to injectors and coils but they are not being grounded. Also no comunication w...
June 11, 2007