LEMON Manuals: Even more car manuals for everyone: 1960-2025

Home >> Chevrolet >> 2004 >> Optra5 LS, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - 1.8L (L79) - DTC P0301 To DTC P1114 >> DTC P0401 >> DTC Descriptor

April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC Descriptor

This diagnostic procedure supports the following DTC:

DTC P0401 Exhaust Gas Recirculation (EGR) Flow Insufficient

scientia non olet · About LEMON Manuals