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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (2GR-FKS) - Diagnostic Codes (3 Of 6) >> SFI System >> DTC P0300-00: Random/Multiple Cylinder Misfire Detected; DTC P0300-27: Random/Multiple Cylinder Misfire Detected (Emission) Signal Rate of Change Above Threshold; DTC P0300-85: Random / Multiple Cylinder Misfire Detected (Over Temperature) Signal Above Allowable Range; DTC P0301-00: Cylinder 1 Misfire Detected; DTC P0302-00: Cylinder 2 Misfire Detected; DTC P0303-00: Cylinder 3 Misfire Detected; DTC P0304-00: Cylinder 4 Misfire Detected; DTC P0305-00: Cylinder 5 Misfire Detected; DTC P0306-00: Cylinder 6 Misfire Detected [10/2021 - 10/2022] >> Typical Malfunction Thresholds

Typical Malfunction Thresholds

MONITOR PERIOD OF EMISSION-RELATED MISFIRE

Misfire rate 2.44% or higher: except Mexico models
4.00% or higher: for Mexico models
MONITOR PERIOD OF CATALYST-DAMAGING MISFIRE (MIL BLINKS)

Number of misfires per 200 revolutions 103 or more (varies with engine speed and engine load)
MONITOR PERIOD OF EMISSION-RELATED MISFIRE FOR MEXICO MODELS

Misfire rate 33.2% or higher: for 1st 1000 revolutions
16.6% or higher: after 1st 1000 revolutions
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