Conditions For Setting DTC
WARNING: This page is about a different car, the 2002 GMC Savana and 2002 Chevrolet Chevy Express. However, it is still accessible from the selected car via links, so may be relevant.
- The HO2S voltage remains 222 mV for more than 4 seconds.
- The short term fuel trim does not increase by 6 percent for each bank when the AIR pump is active during Closed Loop.