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2012
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Prius Two
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Repair and Diagnosis
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Engine Performance
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Engine Control System (Except Plug-In) (Diagnostic Codes (P0010-P043F))
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SFI System
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DTC P0420: Catalyst System Efficiency Below Threshold (Bank 1)
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Typical Malfunction Thresholds
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Typical Malfunction Thresholds
Oxygen storage capacity of catalyst
Less than 0.07 g