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Home >> Chevrolet >> 2020 >> Malibu LS >> Repair and Diagnosis >> External Pages >> Different car >> Section 49 (Engine Controls And Fuel - 1.8L (LKN) - DTC P0010-DTC P0459) >> Diagnostic Information and Procedures >> DTC P0401 or P0402 >> DTC Descriptor

DTC Descriptor

WARNING: This page is about a different car, the 2019 Chevrolet Malibu. However, it is still accessible from the selected car via links, so may be relevant.
DTC P0401

Exhaust Gas Recirculation (EGR) Flow Insufficient

DTC P0402

Exhaust Gas Recirculation (EGR) Flow Excessive

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