Conditions For Setting DTC
WARNING: This page is about a different car, the 2003 Pontiac Montana, 2003 Oldsmobile Silhouette, and 2003 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:
- PCM has monitored fewer than 25 rich-to-lean switches.
- PCM has monitored fewer than 25 lean-to-rich switches.