Conditions For Running DTC

WARNING: This page is about a different car, the 2002 Pontiac Sunfire, 2002 Pontiac Grand Am, 2002 Oldsmobile Alero, and 2002 Chevrolet Cavalier. However, it is still accessible from the selected car via links, so may be relevant.

The ignition is ON.
DTCs P0112, P0113, P0117, P0118, P0125, P0128, P0601, P0602, P0604, P0606, P1621, or P1683 are not set.
The vehicle has a minimum soak time of 8 hours.
The IAT is greater than 59°F (15°C).
The engine has a minimum soak time of 28,800 seconds (8 hours).