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 FTP is less than -2.0 mm Hg (-1 in H2O).
- The ECM detects a large leak in the EVAP system.
- The condition is present for more than 4 seconds.