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Home >> Lexus >> 2020 >> NX 300 Base, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Diagnostic Codes (6 Of 9) >> SFI System >> DTC P0420-00: Catalyst System Efficiency Below Threshold Bank 1 [10/2014 - 09/2015] >> Typical Malfunction Thresholds
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Typical Malfunction Thresholds

Oxygen Storage Capacity (OSC) of Three-Way Catalytic Converter (TWC) [Normalization] Less than 1
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