LEMON Manuals
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Section 9 (Engine Control System (2ZZ-GE))
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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
WARNING:
This page is about a different variant/trim than selected.
TYPICAL MALFUNCTION THRESHOLDS
Frequency of the monitor
3 times
Rear HO2S locus length
13 V or more (varies with A/F sensor locus length)