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.

NOTE: If start-up ECT is less than 20°F (7°C), misfire detection is delayed until Engine Coolant Temperature (ECT) is more than 70°F (21°C). If start-up ECT is more than 20°F (7°C), misfire detection begins after a 5 second delay.

DTCs P0101, P0102, P0103, P0116, P0117, P0118, P0128, P0335, P0336, P0341, P0343, P0500, P0502, P0503, P1114, P1115, P1121, P1122, P1220, P1258, P1336, or P1345 are not set.
The fuel level is more than 10 percent.
Then engine speed is between 450-5000 RPM.
The system voltage is between 11-16 volts.
The Throttle Position (TP) is steady within 2 percent for 100 ms.