Conditions for Running the DTC

WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

DTC P0101, P0102, P0103, P0641, or P0651 is not set.
The engine is cranking or running.
The airflow into the engine is greater than 3 g/s.
The DTCs run continuously when the above conditions are met.