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Home >> Volkswagen >> 2009 >> GLI 2.0 J, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 196 (2.0L - Fuel Supply - Engine Code(S): BPY (A5 Platform)) >> 20 Fuel Supply >> Diagnosis And Testing >> Fuel/EVAP System, Checking For Leaks >> EVAP System Function Overview

EVAP System Function Overview

WARNING: This page is about a different car, the 2008 Volkswagen Jetta, 2008 Volkswagen GLI, 2007 Volkswagen Jetta, and 2006 Volkswagen Jetta. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Identifying EVAP Canister System, Function Overview
GWWN20-10399Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.
  1. Evaporative Emission (EVAP) Canister 
  2. Adapter HoseKLI 9210/55-1 installed Location 
    • With the leak test in the fuel system.
  3. Evaporative Emission (EVAP) Canister Purge Regulator Valve 1 -N80- 
  4. Vent Line 
    • To the throttle valve control module
  5. Solenoid Valve 
    • For the Leak Detection Pump (LDP).
  6. Vacuum Line 
    • To the intake manifold.
  7. Air Filter Housing 
    • For the LDP
  8. Leak Detection Pump (LDP) -V144- 
  9. Fuel Tank 
  10. Cap