Conditions For Running DTC

WARNING: This page is about a different car, the 2002 GMC Sierra, 2002 GMC Cab & Chassis Sierra, 2002 Chevrolet Silverado, and 2002 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

DTC P0238 is not set.
The engine speed is less than 2700 RPM.
The fuel quantity is less than 70 mm³ .
The total fuel quantity burned is more than 2000 mm³ .