Conditions for Running

WARNING: This page does not describe the selected car, but rather 13 other vehicles, including the 2002 GMC Yukon XL, 2002 GMC Sierra, 2002 GMC Savana Special, 2002 GMC Savana Camper Special, and 2002 GMC Savana. However, it is still accessible from the selected car via links, so may be relevant.

The Engine Coolant Temperature (ECT) is more than 135°F (57°C).
The engine is running in Closed Loop fuel control.
The engine has been running for more than 160 seconds.
The battery voltage is between 9-18 volts.