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.
- The engine is at idle for more than 90 seconds.
- All engine misfire DTCs ran and passed.
- The engine coolant is at a normal temperature.
- The cylinder fault must be constant.