Conditions For Running DTC

WARNING: This page is about a different car, the 2003 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.

DTCs P0112, P0113, P0116, P0117, P0118, P0121, P0122, P0123, P0221, P0222, P0223, P0440, P0442, P0443, P0444, P0445, P0446, P0447, P0448, P0449, P0451, P0452, P0453, or P0500 not set.
IAT is more than 32°F (0°C).
ECT is more than 140°F (60°C).
Engine load is less than 40 percent.
EVAP diagnostic is not running.
EVAP is not purging.
Vehicle speed is zero MPH.