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Home >> Hyundai >> 2007 >> Tiburon SE >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel System (G6BA-GSL 2.7L) >> 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
  • Misfire is detected on 2 or more cylinder
  • 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
  • 480 < Engine speed (RPM) < 6500
  • Intake air mass gradient is in predetermined range
  • No injector shut off
  • No rough road
(Case1) Threshold Value
  • Misfire = 2.8~17% within 200 rev.
Diagnosis Time
  • 200 revolution: 3*200 revolution
MIL On Condition
  • Immediate
(Case2) Threshold Value
  • First 1000 rev: Misfire > 2%
  • After first 1000 rev: Misfire > 2%
Diagnosis Time
  • 1000 revolution: 4*1000 revolution
MIL On Condition
  • 2 Driving Cycle