Mike's Workshop Manuals
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Chevrolet
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2006
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Cutaway 6.6 2
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Repair and Diagnosis
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Engine Performance
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System
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Engine Control System - 6.6L (LLY) - DTC P0401 To DTC P268A
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DTC P0401
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Repair Procedures
Repair Procedures
IMPORTANT:
Always perform the
Diagnostic Repair Verification
after completing the diagnostic procedure.
Exhaust Gas Recirculation (EGR) System Cleaning
Exhaust Gas Recirculation (EGR) Valve Replacement