LEMON Manuals
: Even more car manuals for everyone: 1960-2025
Home
>>
Toyota
>>
2012
>>
Prius Two
>>
Repair and Diagnosis
>>
External Pages
>>
Different variant/trim
>>
Section 44 (Engine Control System (Plug-In) (Diagnostic Codes (P0010-P0454)))
>>
SFI System
>>
DTC P0420: Catalyst System Efficiency Below Threshold (Bank 1)
>>
Typical Malfunction Thresholds
April 5, 2026:
LEMON Manuals is launched!
Read the announcement.
Typical Malfunction Thresholds
WARNING:
This page is about a different variant/trim than selected.
Oxygen Storage Capacity (OSC) of Three-way Catalytic Converter (TWC)
Less than 0.07 g