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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