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Home >> Genesis >> 2021 >> G90 5.0 Ultimate, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 30 (Engine Control System Diagnosis - 3.3L (5 Of 9)) >> DTC P0302-00: Cylinder 2-Misfire Detected >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

WARNING: This page is about a different variant/trim than selected.
Item Detecting Condition Possible Cause
DTC Strategy
  • Determine if a multiple cylinder misfire or a cylinder specific misfire is occurring by monitoring crankshaft rotation speed
  1. Faulty Spark plugs
  2. Faulty Spark plug cables
  3. Air Leakage
  4. Belt deflection and Air gap of CKPS
  5. Incorrect timing
  6. Faulty injector
  7. Improper fuel pressure
  8. Improper engine compression
Enable Conditions
  • Engine load ratio is greater than 6.7~38%
  • Engine speed is between 400 RPM and 6700 RPM
  • Barometric pressure (BARO) is greater than 75 kPa
  • Engine load ratio gradient is lower than 12~60%/s
  • Throttle gradient is less than 58.6~1265.6%/s
  • Engine Coolant Temperature (ECT) is greater than 20.3°C (68.54°F)

    (if start temperature is lower than -7°C (19.4°F))

  • Battery Voltage is between 11V and 16V
  • Fuel cut off is not active
Threshold Value Case 1
  • Federal Test Procedure (FTP) emission is greater than OBD emission threshold
Case 2
  • Catalyst temperature is greater than 1000°C (1832°F)
Diagnosis Time Case 1
  • 1000 revs or 4*1000 revs
Case 2
  • 200 revs or 3*200 revs
MIL On Condition Case 1
  • 2 Drive Cycles
Case 2
  • 1 Drive Cycles