Hose routing, EVAP canister/leak detection system (8-cyl. MPI-engine): Notes
WARNING: This page does not describe the selected car, but rather 15 other vehicles, including the 2008 Audi S4, 2008 Audi RS 4, 2008 Audi A4, 2007 Audi S4, and 2007 Audi RS 4. However, it is still accessible from the selected car via links, so may be relevant.
1 - Throttle valve control module J338
2 - Evaporative emission (EVAP) canister purge regulator valve N80
- Location: Right front in engine compartment
- Checking → 24 MULTIPORT FUEL INJECTION (MFI)
3 - Ventilation line
- From EVAP canister to Evaporative Emission (EVAP) Canister Purge Regulator Valve N80
- Installed location: At right beneath vehicle floor
- Secured to fuel tank in fuel tank area
4 - Ventilation line
- To gravity valve at fuel tank
5 - EVAP canister
- Location: Bottom of spare wheel well
6 - Connecting hose
- Leak detection pump/EVAP canister
- Pressure side
7 - Leak detection pump (LDP) V144
- Location: In left rear wheel housing behind wheel housing liner
- Check using "Guided Fault Finding"
8 - Air filter housing
- For leak detection pump (LDP) V144
9 - Vacuum line
- To leak detection pump (LDP) V144
10 - Vacuum reservoir
- For leak detection pump (LDP) V144
- Location: In left front wheel housing behind wheel housing liner
11 - Separating point
- Location Separation point location
12 - Check valve
- Installed location: - Arrow - points in direction of flow