Octavia Mk2
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WARNING
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| 1 - | Fuel tank |
| 2 - | Fuel filter |
| 3 - | High pressure pump |
| q | removing and installing → Chapter |
| q | Pressure test → Chapter |
| q | Check return flow quantity → Chapter |
| 4 - | Fuel dosage valve -N290- |
| 5 - | Fuel pressure sender -G247- |
| q | removing and installing → Chapter |
| 6 - | Fuel distributor |
| q | removing and installing → Chapter |
| 7 - | Control valve for fuel pressure -N276- |
| q | replace after each removal |
| q | check → Chapter |
| q | removing and installing → Chapter |
| 8 - | Fuel return-flow line with pressure holding valve |
| q | The pressure holding valve has the function to always hold a remaining pressure (control quantity) of approx. 0.1 MPa (1 bar) in the fuel return-flow line. The injection units (piezo injectors) require this control quantity for their function. |
| q | the fuel return-flow line must not be disassembled |
| q | must be replaced completely |
| q | after replacing, the engine must run at idling speed for approx. 2 minutes in order to vent the fuel system |
| q | check → Chapter |
| 9 - | Injection units (piezo injectors) |
| q | removing and installing → Chapter |
| q | Check return flow quantity → Chapter |
| q | Testing the vacuum → Chapter |
| 10 - | Fuel temperature sender -G81- |