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Home › Cadillac › 2007 › DTS 4.6 Y › Repair and Diagnosis › Engine Performance › System › Engine Control System & Fuel System - 4.6L - DTC P0351 To P2440 › DTC P0401 › DTC Descriptor

DTC Descriptor

DTC P0401:  Exhaust Gas Recirculation (EGR) Flow Insufficient

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