DTC P0300 Random/Multiple Cylinder Misfire Detected: DTC Detecting Condition
DTC DETECTING CONDITION CHART
| 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 |
- 156 < Mass air flow(mg/rev.) < 710
- 512 < Engine speed (RPM) < 6500
- 141 < Throttle gradient(TPS/sec) < 199
- Coolant temperature > 20°C (68°F) if Start temperature < -7°C (19°F)
- 11V < Battery voltage < 16V
- No relevant failure
- Fuel Cut Off not active
- No rough road
|
| Threshold Value |
- Misfire detected on 2 or more cylinders
|