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Home >> Chevrolet >> 2005 >> Venture Base, Van Cargo Extended >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - 3.4L DTC P0140 To P0443 >> DTC Tests >> DTC P0420 >> DTC Descriptor

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DTC Descriptor

This diagnostic procedure supports the following DTC:

DTC P0420 Catalyst System Low Efficiency Bank 1

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