Conditions for Running the DTC
WARNING: This page is about a different car, the 2004 GMC Envoy XUV, 2004 GMC Envoy XL, 2004 Chevrolet TrailBlazer, and 2004 Buick Rainier. However, it is still accessible from the selected car via links, so may be relevant.
- The engine run time is more than 10 seconds.
OR
- The engine run time is less than 10 seconds when the intake air temperature (IAT) is less than 50°C (122°F).