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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 P2178 >> DTC Descriptor

DTC Descriptor

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.

This diagnostic procedure supports the following DTC:

DTC P2178 Fuel Trim System Rich at Cruise or Accel

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