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Home >> Chevrolet >> 2007 >> Chevy Express G2500, Van Cargo, 6.6 6 >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 15 (Engine Control System & Fuel System - 6.6L (LLY) - DTC P0401 To DTC P2510) >> DTC P0401 >> Conditions for Setting the DTC

Conditions for Setting the DTC

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The air flow deviation monitored by the ECM during the EGR operation indicates insufficient EGR flow for 15 seconds.

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