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Home >> Lexus >> 2021 >> NX 300 Luxury, FWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Diagnostic Codes (5 Of 9) >> 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 [10/2014 - 09/2015] >> Monitor Strategy
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Monitor Strategy

Related DTCs P0300: Multiple Cylinder Misfire
P0301: Cylinder 1 Misfire
P0302: Cylinder 2 Misfire
P0303: Cylinder 3 Misfire
P0304: Cylinder 4 Misfire
Required Sensors/Components (Main) Crankshaft position sensor
camshaft position sensor
Required Sensors/Components (Related) Engine coolant temperature
Intake air temperature sensor (built into mass air flow meter sub-assembly)
Mass air flow meter sub-assembly
Frequency of Operation Continuous
Duration 1000 crankshaft revolutions (soon after engine is started: 1 time, other 4 times) (Emission-related misfire)
200 crankshaft revolutions (1 or 3 times) (Catalyst-damaging misfire)
MIL Operation 2 driving cycles: Emission-related misfire
MIL flashes immediate: Catalyst-damaging misfire
Sequence of Operation None
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