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Engine Control System (2AZ-FE)
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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
TYPICAL MALFUNCTION THRESHOLDS
Rear HO2 sensor locus length
40 V or more (varies with A/F sensor locus length)
Frequency of the monitor
3 times or more