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Home >> Genesis >> 2019 >> G90 5.0 Ultimate, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis - 5.0L (2 Of 3) >> DTC P0300: Random/Multiple Cylinder Misfire Detected >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • Engine roughness through crankshaft speed fluctuation
  1. Poor connection
  2. Ignition system
  3. Fuel system
  4. Intake/exhaust air system
  5. Ignition timing
  6. Injector
Enable Conditions
  • Engine speed is between 450 RPM and 6480 RPM
  • Engine load is higher than Zero torque line
  • Engine start
  • Fuel level is higher than 15%
Case 1 Threshold Value
  • Misfire rate is greater than 2.28% pre 1000 revolutions
Mil On Condition
  • 2 driving cycle
Case 2 Threshold Value
  • Rate of misfire per 200 revolutions is greater than 5~12.5% in driving condition
Mil On Condition
  • Immediately (Blink)