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Home >> Audi >> 2015 >> A4 Prestige >> Repair and Diagnosis >> External Pages >> Different car >> Section 380 (Engine Control System (Diagnostic Codes (P0300-P148F))) >> SFI System >> DTC P0420: Catalyst System Efficiency Below Threshold (Bank 1) [08/2013 - ] >> Typical Malfunction Thresholds

Typical Malfunction Thresholds

WARNING: This page is about a different car, the 2014 Lexus ES 300h. 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