When Monitored
WARNING: This page is about a different variant/trim than selected.
This Diagnostic Runs When The Following Conditions Are Met:
- No Other O2 Sensor Circuit Faults Active.
- There Are Several Different Catalyst Efficiency Monitoring Windows. Each Specific Window Has Several Different Enable Conditions. The Best Opportunity For The Catalyst Efficiency Monitor To Run Is:
- Engine Temperature Above 70°C (158°F).
- Engine Speed Between Approximately 1000 Rpm And 3000 Rpm.
- Vehicle Speed Between 20 Mph And 85 Mph, Under Moderate Engine Load.