Trouble code P1133 means: HO2S-11 (Bank 1 Sensor 1) Insufficient Switching
Trouble code P1133 means: HO2S-11 (Bank 1 Sensor 1) Insufficient Switching
Trouble code P1133 means: HO2S insufficient switching
change your o2 sensor
HO2S Insufficient Switching Sensor 1
I've got a better question, why is this question in the Chevy venture forum ?
Its the Primary o2 Sensor (pre-cat), needs to be replaced
Trouble code P1133 means:HO2S insufficient switching
Trouble code P1133 means: HO2S insufficient switching
the is no code
You either have a bad oxygen sensor or a vacuum leak. Code P1133 indicates a faulty heated oxygen sensor but a vacuum leak could also cause this code.
The code number is P0440 not 1744 see: http://www.obd-codes.com/forums/2669-obd-codes-2001-chevy-cavalier-p0440-evap-code-check-enginehelp.html
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