Conditions For Running DTC

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

DTC P0106, P0107, P0108, P0122, P0123 are not set.
The engine is running for more than 2 minutes.
The engine coolant temperature (ECT) is more than 140° F (60° C).
The MAP reading is less than 55 kPa for a TP sensor skewed high test.
The MAP reading is more than 65 kPa for a TP sensor skewed low test.
The MAP is steady for 1 second or more.