Evaporative Emission (EVAP) System, Overview

Evaporative Emission (EVAP) system, overview
1. Vacuum reservoir
2. Pressure retaining valve
3. Change-over valve
4. EVAP canister
^ In rear right wheel well behind wheel housing liner
5. Leak detection pump (LDP) -V144
6. Air cleaner for leak detection pump
7. Tank cap unit
^ With rubber cup
8. Fuel tank
^ Support with engine and transmission jack VAG 1383 A when removing
9. Fuel delivery unit
10. Check-valve
^ Installation position: arrow points in direction of flow
11. Intake pipe before turbocharger
12. Fuel pressure regulator
13. Fuel rail with injectors
14. Intake manifold upper part
15. Throttle valve control module -J338
16. Fuel filter
^ Fitting position: Arrow points in through flow direction
17. EVAP canister purge regulator valve -N80- */**
18. Test connection
19. Gravity/overflow valve