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Home >> Chevrolet >> 2004 >> Impala LS >> Repair and Diagnosis >> External Pages >> Different car >> Section 382 (Engine Controls - 4.6L - DTC P0016 To DTC P0401) >> DTC P0401 >> DTC Descriptor

DTC Descriptor

WARNING: This page is about a different car, the 2006 Buick Lucerne. However, it is still accessible from the selected car via links, so may be relevant.

This diagnostic procedure supports the following DTC:

DTC P0401 Exhaust Gas Recirculation (EGR) Flow Insufficient

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