When the engine is cold
| Engine operating mode | Created vacuum | In good condition |
| Idling | 50 kPa | The vacuum remains |
| Within approximately 3 minutes after the engine reaches 3000 min⁻¹ | Attempt to create a vacuum | The vacuum is decreasing |
| 3 minutes after the engine reaches 3000 min⁻¹ | 50kPa | The vacuum will be maintained for a moment, after which it will decrease again |
