Conditions For Setting DTC
WARNING: This page is about a different car, the 2002 Oldsmobile Aurora. However, it is still accessible from the selected car via links, so may be relevant.
Passive Tests
- During the operation of the AIR pump, the HO2S voltage for both fuel control sensors is more than 250 mV for 20 seconds (200 mV for 7 seconds on a hot start).
- When the AIR pump is turned OFF, the HO2S voltage for both fuel control sensors is less than 740 mV for 20 second (7 seconds on a hot start).
- The condition is present for 3 occurrences.
Active Test
- The HO2S voltage for both fuel control sensors is more than 250 mV for 3 occurrences.