Conditions for Setting the DTC
WARNING: This page is about a different car, the 2005 Buick LaCrosse and 2005 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
- The difference between the EGR Position Sensor parameter and the Desired EGR Position parameter is more than 15 percent.
- The above condition is met for more than 20 seconds.