Conditions For Setting DTC
WARNING: This page is about a different car, the 2003 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
ECM detects that the HO2S 1 parameter is 400-500 mV for 125 seconds.
ECM detects that the HO2S 1 parameter is 400-500 mV for 125 seconds.