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Home >> Scion >> 2013 >> xD Standard Trans >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Diagnostic Codes P0420 - P1603) >> SFI System >> DTC P0420: Catalyst System Efficiency Below Threshold (Bank 1) >> Typical Malfunction Thresholds
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Typical Malfunction Thresholds

OSC (Oxygen Storage Capacity) of TWC (Three-Way Catalytic Converter) Less than 0.068 g