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2006
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Yaris CE, Automatic
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Repair and Diagnosis
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Engine Performance
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DTC P0420 Catalyst System Efficiency Below Threshold (Bank 1)
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Typical Malfunction Thresholds
Typical Malfunction Thresholds
TYPICAL MALFUNCTION THRESHOLDS
Oxygen Storage Capacity (OSC) of Three-Way Catalytic Converter (TWC)
Less than 0.046875 g