Its the Primary o2 Sensor (pre-cat), needs to be replaced
change your o2 sensor
Trouble code P1133 means: HO2S insufficient switching
Trouble code P1133 means: HO2S-11 (Bank 1 Sensor 1) Insufficient Switching
color code for 2000 Malibu is under lid on spare tire carrier in trunk.
Trouble code P1133 means: HO2S-11 (Bank 1 Sensor 1) Insufficient Switching
Go to www.installdr.com .
HO2S Insufficient Switching Sensor 1
I've got a better question, why is this question in the Chevy venture forum ?
If you do not have the code then you will have to go to the dealership and give them the VIN in order to get it.
po171--- system to lean (bank # 1)
Trouble code P1133 means:HO2S insufficient switching
Trouble code P1133 means: HO2S insufficient switching