Polo Mk4
| Assembly overview - fuel rail with injectors |
| 1 - | Supply line |
| q | Black with white markings |
| q | Check for secure seating. |
| q | Secure with spring-type clips. |
| q | From fuel filter. |
| 2 - | 10 Nm |
| 3 - | Fuel rail |
| q | Removing and installing → Chapter. |
| q | Checking fuel pressure regulator → Chapter. |
| 4 - | Breather valve |
| q | For fuel system. |
| q | Bleeding fuel system → Chapter. |
| 5 - | Securing clip |
| q | Check for secure seating. |
| q | Ensure correct seating on injector and fuel rail. |
| 6 - | O-ring |
| q | Renew. |
| q | Before installing moisten with clean engine oil. |
| 7 - | No. 4 cyl. injector -N33- |
| q | No. 1 cyl. injector -N30- |
| q | No. 2 cyl. injector -N31- |
| q | No. 3 cyl. injector -N32- |
| q | Resistance 12...17 Ω |
