Connection Diagram - EVAP System

NOTE:

The hose diagram pictured is a representation for vehicles with a 4.2L FSI engine.

Fig 1: EVAP System Connection Diagram

Courtesy of AUDI OF AMERICA, LLC

EVAP Canister Purge Regulator Valve 1 -N80-
Vacuum Line
- From the engine to EVAP canister
- Clipped into brackets under the vehicle underbody
Fuel Filler Tube
Breather Line
- From fuel filler tube to EVAP canister
Evaporative Emission (EVAP) Canister
- Installed location: under the wheel housing liner in right rear wheel housing
- Removing and installing, refer to EVAP CANISTER, REMOVING AND INSTALLING .
Air Filter
- For Fuel Tank Pressure Sensor -G400-
Fuel Tank Pressure Sensor -G400-
- Installed location: under the wheel housing liner in right rear wheel housing
- Checking in Guided Fault Finding using the Vehicle Diagnostic Tester
- Removing and installing, refer to FUEL TANK PRESSURE SENSOR -G400-, REMOVING AND INSTALLING .
Breather Line
- From EVAP canister to EVAP Canister Purge Regulator Valve 1 -N80-