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Home >> Kia >> 2023 >> Sorento Plug-In Hybrid SX Prestige >> Repair and Diagnosis >> External Pages >> Different car >> Section 30 (Engine Control System Diagnosis (PHEV) (04 Of 10)) >> DTC P0303-00: Cylinder 3-Misfire Detected >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

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Item Detecting Condition Possible Cause
DTC Strategy
  • Monitor engine misfire
  • Poor connector connection
  • Valve timing
  • Fuel pressure system
  • Contamination fuel
  • Leakage air
  • Ignition system
  • Injector #3
  • Bad quality fuel
Enable Conditions
  • Engine speed is between 550 and 6500 RPM
  • Engine torque is higher than zero torque
  • Time after engine start is higher than 0s
  • ECT is higher than 21°C (69.8°F) or higher than -7.5°C (18.5°F) in that ECT at start is lower than -7°C (19.4°F) at engine start
  • No rough road detection (Wheel speed (30 and 40m/s2) in rough road)
  • Fuel system status is no fuel cut-off
  • TPS error is not detected
  • CKPS error is not detected
Threshold Value Case 1
  • Misfire is higher than 3% within 1000 revolutions
Case 2
  • Misfire is higher than 2.25% after catalyst heated within 100 revolutions
MIL ON Condition
  • 2 driving cycles