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Home >> Toyota >> 2015 >> Prius Four >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Diagnostic Codes (P0300-P0657)) (Except Plug-In) >> SFI System >> DTC P0420: Catalyst System Efficiency Below Threshold (Bank 1) [08/2014 - ] >> Typical Malfunction Thresholds
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Typical Malfunction Thresholds

Oxygen storage capacity of catalyst (Normalized) Less than 1
FOR MEXICO MODELS:

Oxygen storage capacity of catalyst Less than 0.07 g
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