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 DTC will set if either of the following conditions are present for a 100 second monitoring period:
- The PCM has monitored fewer than 25 rich-to-lean switches.
- The PCM has monitored fewer than 25 lean-to-rich switches.