Conditions For Running DTC

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2002 GMC Sonoma, 2002 GMC Safari, 2002 GMC Jimmy, 2002 Chevrolet S10 Pickup, and 2002 Chevrolet Blazer. 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.