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Home >> Toyota >> 2017 >> Highlander LE Plus, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 7 (SFI System [2GR-FE] - Diagnostic Codes - (Except Hybrid) (4 Of 5)) >> SFI System >> DTC P0420: Catalyst System Efficiency Below Threshold (Bank 1); DTC P0430: Catalyst System Efficiency Below Threshold (Bank 2) [08/2014 - 11/2016] >> Typical Malfunction Thresholds

Typical Malfunction Thresholds

WARNING: This page is about a different car, the 2016 Toyota Highlander, 2015 Toyota Highlander, and 2014 Toyota Highlander. However, it is still accessible from the selected car via links, so may be relevant.
Oxygen Storage Capacity (OSC) of catalyst (Normalized) Less than 1
Oxygen Storage Capacity (OSC) of Three-Way Catalytic Converter (TWC) [for Mexico models] Less than 0.115 g