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P1133 Diagnostic Trouble Code Discussion for September 2008

Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Switching

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Trouble Ticket Help Requests for DTC P1133
Help Request Posted
2001 Buick Regal LS 3.8L MIL Lamp on VIN: 2G4WB52K71
P1133: Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Switching. ... code P1133B,O2 sensor number one not switch sufficiently, data stream confirmed a lazy O2. Replaced O2 sensor, cleared code and road tested car O2 is switching properly. -July 21/08, CEL came on, scan and found code P1133B, same as before, scan data confir...
September 05, 2008
1996 Pontiac Sunfire SE 2.2L Stall VIN: 3G2JB24XTS
P1133: Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Switching. Hi techs, got this 96 sunfire in with a complain of stalling after long period of driving. Usually happens when rolling down to the intersection and wait for red light. It would stall and restart right away. After it happens, it needs another half a day or so ...
September 30, 2008