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Home >> Toyota >> 2004 >> Matrix Base, FWD, Automatic >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 (Engine Control System (SFI) - Diagnostics (2ZZ-GE)) >> DTC P0420: Catalyst System Efficiency Below Threshold (Bank 1) >> Typical Malfunction Thresholds
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Typical Malfunction Thresholds

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TYPICAL MALFUNCTION THRESHOLD

Detection Criteria Threshold
Catalyst deterioration level 0.55 or more
Number of times detection 3 times