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Home >> Pontiac >> 2005 >> Grand Prix GXP >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 5 (Engine Controls - 3.8L - DTC P0137 To DTC P0405) >> DTC P0401 >> DTC Descriptor

DTC Descriptor

WARNING: This page is about a different variant/trim than selected.

This diagnostic procedure supports the following DTC:

DTC P0401 Exhaust Gas Recirculation (EGR) Flow Insufficient

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