Conditions For Running 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.

DTCs P0122, P0123, P0131, P0132, P0133 or P0134 are not set.
The ECT sensor parameter is more than 70°F (20°C).
Engine Run Time parameter is more than 20 seconds.
Engine is operating in a closed loop operation.
Power Enrichment (PE) parameter is active.