When Monitored

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

• No Fuel Tank Pressure Sensor (FTP) Sensor circuit, Boost Pressure Sensor, Fuel Level Sensor, OBD Vent Valve, Battery system voltage or ASD Relay faults present.
• Fuel level between 15% and 85% and has not changed.
• With the engine running.
• Intrusive Evap System Leak Monitor is not running.
• Boost Pressure above 130 kPa (18.8 psi).
• Purge Solenoid is commanded off (closed).
• OBD Vent Valve is commanded on (open).