Conditions For Running DTC

WARNING: This page is about a different car, the 2003 GMC Sierra and 2003 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.

DTCs P0101, P0102, P0103, P0112, P0113, P0116, P0117, P0118, P0125, P0500, P0502, P0503, P1111, P1112, P1114, or P1115 are not set.
The start up engine coolant temperature is less than 169° F (76° C).
The Air Intake Temperature (IAT) is between 19-131° F (-7-55° C).
The engine is running more than 2 minutes and less than 35 minutes.
The vehicle speed is more than 5 MPH for more than 1.5 mi.
The Mass Air Flow (MAF) is between 15-75 g/s with the average more than 12 g/s.