| DTC Strategy |
- Engine roughness through crankshaft speed fluctuation
|
- Poor connection
- Ignition system
- Fuel system
- Intake/exhaust air system
- Ignition timing
- Injector
|
| Case1 |
Enable Conditions |
- Engine speed is higher than 400rpm and lower than 4520rpm
- Engine load is higher than Zero torque line
|
| Threshold Value |
- Misfire rate > 3.25% per 1000 rev.
|
| MIL ON Condition |
|
| Case2 |
Enable Conditions |
- Intake air temperature > 17.6°F
- Coolant temperature > 17.6°F
|
| Threshold Value |
- Rate of misfire per 200 revolutions is greater than 2.5% in driving condition
|
| MIL ON Condition |
|