Conditions for Setting the DTC
WARNING: This page is about a different car, the 2006 Buick LaCrosse and 2006 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
- The average Long Term fuel trim is above 18.8 percent.
- The above condition is present for more than 2 minutes.
- This diagnostic runs continuously.