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Malibu LS
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Repair and Diagnosis
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Different variant/trim
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Section 28 (Engine Controls And Fuel - 1.8L (LKN) - DTC P0010 To P0459)
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Diagnostic Information and Procedures
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DTC P0401: Exhaust Gas Recirculation (EGR) Flow Insufficient
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Diagnostic Aids
Diagnostic Aids
WARNING:
This page is about a different variant/trim than selected.
A stuck EGR valve due to excessive coking or debris may cause this DTC to set.