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Home >> Lexus >> 2020 >> ES 300h Luxury >> Repair and Diagnosis >> External Pages >> Different car >> Section 140 (Engine Control System (A25A-FKS) - Diagnostic Codes (05 Of 12)) >> 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 [08/2021 - ] >> Typical Malfunction Thresholds

Typical Malfunction Thresholds

WARNING: This page is about a different car, the 2024 Lexus ES 250, 2023 Lexus ES 250, 2022 Lexus ES 250, and 2021 Lexus ES 250. However, it is still accessible from the selected car via links, so may be relevant.
MONITOR PERIOD OF EMISSION-RELATED MISFIRE

Misfire rate 2.5625% or higher
MONITOR PERIOD OF CATALYST-DAMAGING MISFIRE (MIL BLINKS)

Number of misfires per 200 revolutions 137 or more (varies with engine speed and engine load)
MONITOR PERIOD OF EMISSION-RELATED MISFIRE FOR MEXICO MODELS

Misfire rate 2.5625% or higher
MONITOR PERIOD OF CATALYST-DAMAGING MISFIRE (MIL BLINKS) FOR MEXICO MODELS

Number of misfires per 200 revolutions 50% or higher: for 1st 1000 revolutions
25% or higher: after 1st 1000 revolutions
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