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Home >> Chevrolet >> 2004 >> Optra Base, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - 1.8L (L79) - DTC P0301 To DTC P1114 >> DTC P0420 >> DTC Descriptor

DTC Descriptor

This diagnostic procedure supports the following DTC:

DTC P0420 Catalyst System Low Efficiency

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