Smooth Running Signal
| m/s2 | : Acceleration |
|---|---|
| t | : Time |
| A | : Engine running without combustion misfiring → Acceleration values within tolerance range |
| B | : Engine running with combustion misfiring → acceleration values too high |
| C | : Misfire counter → starts with misfire detection |
Main factors of misfire occurrence
- Ignition system
- Injection system
- Mechanical engine components (e.g. valve seats, valve springs, air suction)
- Fuel starvation