Evaporative Emissions System: Diagrams

EVAP Canister and Leak Detection System Hose Routing

• The hose diagram shows the 4.2L FSI engine.






1 Evaporative Emission (EVAP) Canister Purge Regulator Valve 1 (N80)

• Installed location: Right rear in engine compartment

2 To Fuel Tank Filler Tube

3 EVAP Canister

• Installed location: Under wheel housing liner in right rear wheel housing

4 Air Filter Housing

• For the leak detection pump (V144)

5 Leak Detection Pump (LDP) (V144)

• Installed location: Under wheel housing liner in right rear wheel housing

• Checking in Guided Functions using a vehicle diagnostic tester

6 Throttle Valve Control Module (J338)