Conditions for Running

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Cold start

The battery voltage is between 11-18 volts.
The engine coolant temperature (ECT) is between 60-96.75°C (140-206.2°F).
The intake air temperature (IAT) is more than 5.25°C (41.5°F).
The barometric pressure (BARO) is more than 74 kPa.

Inspection/Maintenance (I/M) Complete System Set Procedure

Step	Action	Values	Yes	No
1	Did you perform the Inspection/Maintenance (I/M) System Check?	-	Go toStep 2	Go to Inspection/Maintenance (I/M) System Check
2	Ensure the vehicle is within the Conditions for Running specified in the supporting text. Turn OFF all of the accessories, e.g., A/C, blower fan, etc. Set the vehicle parking brake. Verify the transmission is in PARK for automatic transmissions and NEUTRAL for manual transmissions. Start and allow the engine to idle for the specified time. Observe the I/M System Status with a scan tool. Did both of the I/M System Status indicators update to YES?	2 minutes	Go to Step 3	Go to the I/M System Set Procedure for the systems that did not update to YES
3	Observe the Emission Related DTC portion of the I/M System Status with a scan tool. Does the scan tool indicate any Emission Related DTCs set?	-	Go to Diagnostic Trouble Code (DTC) List	System OK