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Home >> Lexus >> 2022 >> LX 600 Premium >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (W/ Canister Pump Module) - Diagnostic Codes (5 Of 9) >> SFI SYSTEM (w/ Canister Pump Module) >> DTC P0420-00: Catalyst System Efficiency Below Threshold Bank 1; DTC P0430-00: Catalyst System Efficiency Below Threshold Bank 2 [10/2023 - ] >> Typical Malfunction Thresholds
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Typical Malfunction Thresholds

Oxygen Storage Capacity (OSC) of catalyst (Normalized) Less than 1