When Monitored

This diagnostic runs once per trip when the following conditions are met:

• No Purge Solenoid control, ECT Sensor, IAT Sensor, MAP Sensor, CKP Sensor, CMP Sensor, Throttle control, ASD Relay or 5-Volt Reference DTCs active.
• With the engine running.
• Engine coolant temperature above 70°C (158°F).
• During a Decel Fuel Shut-Off (DFSO) condition.
• Engine not in boost mode.
• Engine speed between 1100 and 4000 rpm.