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Home >> Buick >> 2007 >> Lucerne CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 66 (Engine Control System - 3.8L (DTC P0140 To DTC 0412)) >> Diagnosis >> DTC P0406 >> 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 EGR Position Sensor parameter is more than 94.7 percent of the 5-volt reference voltage for longer than 4 seconds.