P1133 Diagnostic Trouble Code Discussion for August 2009
Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Switching
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| Help Request | Posted | |
| 2007 Buick Rainier CXL 4.2L MIL Lamp on VIN: 5GADS13S24 P1133: Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Switching. ... and p1133. replaced front 02 for not switching fast enough. test drove both codes came back within 2 miles of driving. front 02 goes below 100mv and above 900mv sometimes hangs around 800mv for a second then goes down below 100 and above 900. thought maybe... |
August 24, 2009 |
