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Home >> Volkswagen >> 2007 >> Jetta GLI, Standard >> Repair and Diagnosis >> Engine Performance >> System >> 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
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EVAP System Function Overview

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