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.

The engine load is less than 60 percent.
The engine speed is less than 3200 RPM.
The vehicle speed is more than 10 MPH.
Engine misfire is detected and DTC P0300 is set.