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Evaporative Emissions System



EVAP System, Connection Diagram







1. Vacuum reservoir
2. Pressure retention valve
- For fuel tank breather
3. Change-over valve
4. EVAP canister
- Under wheelhousing liner in right rear wheelhousing
5. Leak Detection Pump (LDP) -V144-
- At EVAP canister
6. Air cleaner for leak detection pump
7. Tank flap unit
- With rubber cup
8. Fuel tank
- Support with engine/transmission jack V.A.G 1383 A when removing
9. Fuel delivery unit
10. Non-return valve
- Installed position: Arrow points in pass-through direction
11. Intake manifold before turbocharger
12. Fuel pressure regulator
13. Fuel rail with injectors
14. Intake manifold
15. Throttle valve control module -J338-
16. Fuel filter
- Installed position: Arrow shows direction of flow
17. Evaporative Emissions (EVAP) canister purge regulator valve -N80-
- On right in engine compartment above wheelhousing liner.
18. Test connection
19. Gravity valve