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Home >> Hyundai >> 2005 >> Elantra GLS, 4D Hatchback, Standard >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel System >> DTC Troubleshooting Procedures >> DTC P0300: Random/Multiple Cylinder Misfire Detected >> DTC Detecting Condition
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DTC P0300: Random/Multiple Cylinder Misfire Detected: DTC Detecting Condition

DTC DETECTING CONDITION

Item Detecting Condition Possible Cause
DTC Strategy
  • Calculation of engine roughness
  • Faulty spark plugs, high-tension lead, or Ignition coil
  • Incorrect valve timing
  • Uneven compression
  • Air leakage
  • Improper Fuel pressure or dirty fuel
  • Blocked/Leaking injectors
  • Leakage between cooling system and cylinder
Enable Conditions
  • CARB A: MIS_A_(SEG) > 480 (10% of CARB A thd.)
  • CARB B: MIS_B_(SEG) > 4 (10% of CARB A thd.)
Threshold Value
  • Misfire detected on 2 or more cylinders