Conditions For Setting DTC

WARNING: This page is about a different car, the 2003 Pontiac Sunfire, 2003 Pontiac Grand Am, 2003 Oldsmobile Alero, and 2003 Chevrolet Cavalier. However, it is still accessible from the selected car via links, so may be relevant.

The calibrated amount of engine run time has been met.
The calibrated amount of engine air flow has been met.
Enough air flow has entered the engine and the ECT has not risen to 167°F (75°C) for 30 seconds.