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Home >> Buick >> 2007 >> Lucerne CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 72 (Engine Control System - 3.6L (Ly7) (DTC P1845 To P2229)) >> Diagnosis >> DTC P2097 >> Conditions for Setting the DTC

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 post catalyst fuel trim correction factor is biased rich by more than -3 percent of the HO2S lambda value for more than 4 seconds.

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