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Home >> Toyota >> 2004 >> Avalon XLS >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Diagnostics >> DTC P0420: Catalyst System Efficiency Below Threshold (Bank 1) >> Typical Malfunction Thresholds

Typical Malfunction Thresholds

TYPICAL MALFUNCTION THRESHOLDS

Number that the following condition is set: 2 times
Catalyst deterioration level (Rear HO2S locus length) 5 V or more (Varies with A/F sensor locus length)