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P0141 Diagnostic Trouble Code Discussion for April 2006

Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Performance


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Trouble Ticket Help Requests for DTC P0141
Help Request Posted
1999 Chevrolet Express 3500 5.7L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Misfire, Poor Fuel Economy VIN: 1GTHG39R8X
P0141: Heated Oxygen Sensor (Bank 1 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
1996 Buick Regal Custom 3.8L MIL Lamp on VIN: 2G4WB52K2T
P0141: Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Malfunction. ... purge flow). Checked all hoses for blockage. Everything looked O.K. Cleared codes. Customer came back 2 days later with P0141 (o2 heater circuit) and a P0441 (no purge flow). When car is cold and idling in my shop, no pur...
April 26, 2006
1999 Chevrolet Express 3500 5.7L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Misfire, Poor Fuel Economy VIN: 1GTHG39R8X
P0141: Heated Oxygen Sensor (Bank 1 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
1996 Buick Regal Custom 3.8L MIL Lamp on VIN: 2G4WB52K2T
P0141: Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Malfunction. ... purge flow). Checked all hoses for blockage. Everything looked O.K. Cleared codes. Customer came back 2 days later with P0141 (o2 heater circuit) and a P0441 (no purge flow). When car is cold and idling in my shop, no pur...
April 26, 2006