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Home >> Scion >> 2009 >> tC Automatic >> Repair and Diagnosis >> Engine Performance >> 2AZ-FE Engine Control System >> SFI System >> DTC P0300 Random/Multiple Cylinder Misfire Detected; DTC P0301 Cylinder 1 Misfire Detected; DTC P0302 Cylinder 2 Misfire Detected; DTC P0303 Cylinder 3 Misfire Detected; DTC P0304 Cylinder 4 Misfire Detected >> Typical Malfunction Thresholds

Typical Malfunction Thresholds

Emission-related-misfire: 

TYPICAL MALFUNCTION THRESHOLDS CHART

Misfire rate 1.408% or more

Catalyst-damage-misfire: 

TYPICAL MALFUNCTION THRESHOLDS CHART

Number of misfire per 200 revolutions 118 or more (varies with intake air amount and RPM)
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