DTC P0300: Random/Multiple Cylinder Misfire Detected: DTC Detecting Condition
DTC DETECTING CONDITION CHART
| Item |
Detecting Condition |
Possible cause |
| DTC Strategy |
- Fluctuation of crank angular acceleration is monitored
|
- Poor connection
- Defective Spark plugs
- Defective Spark plug cables
- Defective injector
- Improper fuel line pressure
- Improper engine compression
- Defective ECM
|
| Enable Conditions |
- Engine speed = 500~6187 rpm,
- Engine load = 11~100%
- Fuel cut = off
- No sudden acceleration
- No sudden deceleration
- No shift change
|
| Threshold value |
- Misfire ratio within 1000 revs > 2.0% (FTP emission > 1.5 *emission standard)
- Misfire ratio within 200 revs > 10~25% (Catalyst temp. > 950°C (1742°F))
|
| Diagnosis Time |
- 1000 revs. Continuous/200 revs. Continuous
|
| MIL On Condition |
|