Conditions For Setting DTC
WARNING: This page is about a different car, the 2002 Pontiac Montana, 2002 Oldsmobile Silhouette, and 2002 Chevrolet Venture. However, it is still accessible from the selected car via links, so may be relevant.
- The pre-catalyst HO2S voltage remains above a predetermined lean value during the test; and the Short Term FT does not increase a calibrated amount during the test.
- Both conditions above exist for 2 consecutive tests.