When Monitored

WARNING: This page is about a different variant/trim than selected.

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

Barometric Pressure Above 75 Kpa
Ambient Temperature Between 4.4°C (40°F) and 35°C (95°F).
With the engine running.
Engine speed between approximately 1100 and 3300 RPM.
Fuel Tank Isolation Valve (FTIV) Closed.
No Active FTIV Related DTCs.
No Change-Over Valve (COV) circuit DTCs.
- Engine has sufficient vacuum. This fault sets when the engine is operating naturally aspirated creating intake vacuum and a purge flow fault is detected.