Oxygen sensor bank one sensor one slow response or at limit. This code is for the front 02 sensor on the side of engine that has the number one cylinder. May be caused by vaccuum leak or bad sensor.
Depends on the make of vehicle, but usually has to do with an Oxygen Sensor not switching/reading properly.
Trouble code P1133 means:HO2S insufficient switching
Trouble code P1133 means: HO2S insufficient switching
Trouble code P1133 means: HO2S insufficient switching
Trouble code P1133 means: HO2S-11 (Bank 1 Sensor 1) Insufficient Switching
Trouble code P1133 means: HO2S-11 (Bank 1 Sensor 1) Insufficient Switching
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.
change your o2 sensor
HO2S Insufficient Switching Sensor 1
Trouble code P1133 means: Air-Fuel Sensor Circuit Response Malfunction Trouble code P1135 means: Air-Fuel Sensor Heater Circuit Response Malfunction
Its the Primary o2 Sensor (pre-cat), needs to be replaced
what is p1133
Trouble code P1133 means: Air-Fuel Sensor Circuit Response Malfunction