Fuel Injector: Operation: Notes
WARNING: This page is about a different car, the 2006 Dodge Sprinter. However, it is still accessible from the selected car via links, so may be relevant.
The injector operation can be subdivided into four operating states with the engine running and the high-pressure pump generating pressure:
- Injector closed (with high pressure applied)
- Injector opens (start of injection)
- Injector opened fully
- Injector closes (end of injection)
| 1 - INJECTOR CLOSED (AT-REST STATUS) |
| 2 - ELECTRICAL CONNECTION |
| 3 - TRIGGERING ELEMENT (SOLENOID VALVE) |
| 4 - FUEL INLET (HIGH PRESSURE) FROM THE RAIL |
| 5 - VALVE BALL |
| 6 - BLEED ORIFICE |
| 7 - FEED ORIFICE |
| 8 - VALVE CONTROL CHAMBER |
| 9 - VALVE CONTROL PLUNGER |
| 10 - FEED PASSAGE TO THE NOZZLE |
| 11 - NOZZLE NEEDLE |