Conditions For Running DTC

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2002 GMC Savana Special, 2002 GMC Savana Camper Special, 2002 GMC Savana, 2002 Chevrolet RV Cutaway, and 2002 Chevrolet Cutaway. However, it is still accessible from the selected car via links, so may be relevant.

The Engine Coolant Temperature (ECT) is between 176-248°F (80-120°C).
The Intake Air Temperature (IAT) is less than 212°F (100°C).
The desired EGR position is more than 15 percent.