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Home >> Cadillac >> 2011 >> DTS 4.6 S >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 4.6L - Diagnostic Information And Procedures >> Diagnostic Information and Procedures >> DTC P0401 >> DTC Descriptor
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DTC Descriptor

DTC P0401

Exhaust Gas Recirculation (EGR) Flow Insufficient