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P0161 Diagnostic Trouble Code Discussion for April 2006

Heated Oxygen Sensor (Bank 2 Sensor 2) Heater Performance


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Trouble Ticket Help Requests for DTC P0161
Help Request Posted
1997 Mercury Sable LS 3.0L MIL Lamp on VIN: 1MELM53S7V
P0161: Oxygen Sensor Heater Circuit B2S2. Hi All, Thanks for taking the time to check out this posting. This vehicle has engine codes regarding the B2S1 nad B2S2 oxygen sensor heater circuit. These two codes display the check engine light very soon after they are erased. Using my scan tool, I am abl...
April 07, 2006
1999 Chevrolet Express 3500 5.7L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Misfire, Poor Fuel Economy VIN: 1GTHG39R8X
P0161: Heated Oxygen Sensor (Bank 2 Sensor 2) Heater Circuit Malfunction. after these repairs, no codes came back and vehicle had lots of power, ran well for 3 days, returned with no power and a code for bank 1 sensor 1 not switching, hooked up scanner ,vehicle immediately started running well, road tested, still running well, no co...
April 13, 2006
1997 Mercury Sable LS 3.0L MIL Lamp on VIN: 1MELM53S7V
P0161: Oxygen Sensor Heater Circuit B2S2. Hi All, Thanks for taking the time to check out this posting. This vehicle has engine codes regarding the B2S1 nad B2S2 oxygen sensor heater circuit. These two codes display the check engine light very soon after they are erased. Using my scan tool, I am abl...
April 07, 2006
1999 Chevrolet Express 3500 5.7L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Misfire, Poor Fuel Economy VIN: 1GTHG39R8X
P0161: Heated Oxygen Sensor (Bank 2 Sensor 2) Heater Circuit Malfunction. after these repairs, no codes came back and vehicle had lots of power, ran well for 3 days, returned with no power and a code for bank 1 sensor 1 not switching, hooked up scanner ,vehicle immediately started running well, road tested, still running well, no co...
April 13, 2006