Polo Mk4
| Fuel rail with injectors - remove and install |

| 1 - | Fuel rail |
| q | Remove and install, check jet form and injector sealing. |
| q | Check fuel pressure regulator → Chapter. |
| 2 - | 10 Nm |
| 3 - | Clip |
| q | Make sure it is well fastened. |
| q | Observe the proper seating in the fuel distributor and injector |
| 4 - | Sealing ring |
| q | Replace. |
| q | Thoroughly lubricate with engine clean oil before installation. |
| 5 - | Cylinder 1 injector -(N30-, Cylinder 2 injector -N31-, Cylinder 3 injector -N32- and Cylinder 4 injector -N33- |
| q | Resistance between valve contacts: 11.4...12.6 Ω. |
| 6 - | Sealing ring |
| q | Observe installation position. |
| q | Replace when damaged. |
| 7 - | Fuel supply lines |
| q | Black with white mark. |
| q | Fasten with spring braces. |
| q | Make sure it is well fastened. |
| q | From the fuel filter. |
