Conditions for Setting the DTC: P0133
WARNING: This page is about a different car, the 2010 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.
- The ECM detects that the difference between the actual and the calculated HO2S 1 rich-to-lean or lean-to-rich average response time is more than a calculated value.
- DTC P0133 sets within 100 seconds when the above condition is met.