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Home >> Lexus >> 2012 >> IS 350 Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 16 (Engine Control System (Diagnostic Codes (P0190-P062F))) >> SFI System >> DTC P0420: Catalyst System Efficiency Below Threshold (Bank 1); DTC P0430: Catalyst System Efficiency Below Threshold (Bank 2) >> Typical Malfunction Thresholds
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Typical Malfunction Thresholds

WARNING: This page is about a different car, the 2012 Lexus IS 250. However, it is still accessible from the selected car via links, so may be relevant.
Oxygen Storage Capacity (OSC) of catalyst Less than 0.078 g
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