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P1133 Diagnostic Trouble Code Discussion for July 2007

Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Switching


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Trouble Ticket Help Requests for DTC P1133
Help Request Posted
2004 Chevrolet Trailblazer LS 4.2L MIL Lamp on VIN: 1GNDT13S34
P1133: Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Switching. ... with p1133 & p0172 codes in it, reflahsed computer per Bulletin #04-06-04-053. Noticed on road trip afterwards that O2 sensor acting erratic. Code p0133 came back. Put new front O2 sensor in it. O2 sensor works great now, but noticed that p0172 failed ...
July 24, 2007
2004 Chevrolet Trailblazer LS 4.2L MIL Lamp on VIN: 1GNDT13S34
P1133: Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Switching. ... with p1133 & p0172 codes in it, reflahsed computer per Bulletin #04-06-04-053. Noticed on road trip afterwards that O2 sensor acting erratic. Code p0133 came back. Put new front O2 sensor in it. O2 sensor works great now, but noticed that p0172 failed ...
July 24, 2007