DTC Parameters
- Engine running more than 20 seconds.
- ECT more than 68°F (20°C).
- System in closed-loop.
DTC sets when HO2S1 voltage is less than 300 millivolts for more than 5 seconds during power enrichment mode.
DTC sets when HO2S1 voltage is less than 300 millivolts for more than 5 seconds during power enrichment mode.