Conditions for Running
WARNING: This page is about a different car, the 2002 GMC Savana and 2002 Chevrolet Chevy Express. However, it is still accessible from the selected car via links, so may be relevant.
Non Scan Tool Service Bay Test
- The barometric pressure is more than 75 kPa.
- The fuel level is between 1/4 and 3/4.
- The battery voltage is between 10-18 volts.
- The test will initiate only after a cold start. The control module considers the engine to be cold if the following conditions are met:
- The Engine Coolant Temperature (ECT) is between 39-86°F (3.8-30.0°C).
- The Intake Air Temperature (IAT) is between 39-86°F (3.8-30.0°C).
- The difference between the ECT and the IAT is less than 14°F (8°C).
Scan Tool Service Bay Test
- The Barometric (BARO) pressure is more than 75 kPa.
- The ECT is less than 176°F (80°C).
- The fuel level is between 1/4 and 3/4.
- The battery voltage is between 10-18 volts.