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Home >> Lexus >> 2024 >> RC 350 Base, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 23 (Engine Control System (8AR-FTS) - Diagnostic Codes (04 Of 10)) >> 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 [10/2015 - 11/2017] >> Typical Malfunction Thresholds

Typical Malfunction Thresholds

WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2024 Lexus RC 300, 2023 Lexus RC 300, 2022 Lexus RC 300, 2021 Lexus RC 300, and 2020 Lexus RC 300. However, it is still accessible from the selected car via links, so may be relevant.
MONITOR PERIOD OF EMISSION-RELATED MISFIRE

Misfire rate 2% or higher
MONITOR PERIOD OF CATALYST-DAMAGING MISFIRE (MIL BLINKS)

Number of misfires per 200 revolutions 166 or more (varies with engine speed and engine load)
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