Conditions for Running the DTC

WARNING: This page is about a different car, the 2004 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.

DTCs P0116, P0117, P0118, P0125, P0128, P0502, P0503 are not set.
The engine run time is more than 180 seconds.
The vehicle speed sensor (VSS) indicates that vehicle speed is less than 8 km/h (5 mph).
The mass air flow (MAF) is less than 8 g/s.
The engine coolant temperature (ECT) is more than 60°C (140°F).