A4 Quattro Wagon L4-1.8L Turbo (ATW) (2000)
Electronic Throttle Control Module: Vacuum and Vapor Hose Diagrams
Vacuum Diagram
1
-
To EVAP canister
2
-
Evaporative Emission (EVAP) canister purge regulator valve -N80-
3
-
Check- valve for EVAP canister
-
between EVAP canister and intake manifold before turbocharger
-
Installation position (light/dark side): Arrow points in direction of flow, as shown in figure.
4
-
Air cleaner housing
-
with Mass Air Flow (MAF) sensor -G70-
5
-
Turbocharger
6
-
Combination valve for secondary air injection (AIR)
7
-
Fuel pressure regulator
8
-
To brake booster
9
-
Check- valve
-
Between brake booster and intake manifold
-
Installation position (light/dark side): Arrow points in direction of flow, as shown in figure.
10 -
Vacuum booster
11 -
Check-valve
-
Between brake booster and intake manifold
-
Installation position (light/dark side): Arrow points in direction of flow, as shown in figure.