EVAP System Function Overview

WARNING: This page is about a different car, the 2009 Volkswagen GTI and 2008 Volkswagen GTI. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Identifying Function Overview: EVAP Canister System

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Evaporative Emission (EVAP) Canister
Adapter for Evaporative Emission Tester -KLI 9210/55-1 Installed Location
- Used the fuel system leak test.
EVAP Canister Purge Regulator Valve 1 -N80-
Vent Line
- For the throttle valve control module -J338-.
Solenoid Valve
- For the leak detection pump.
Vacuum Line
- To the intake manifold.
Air Filter Housing
- For the leak detection pump.
Leak Detection Pump -V144-
Fuel Tank
Cap