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Home >> Volkswagen >> 2005 >> Jetta TDI, Automatic >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 35 (2.5L - Fuel Supply - Engine Code(S): BGP, BGQ, CBTA & CBUA (Sedan) (A5 Platform)) >> 20 Fuel Supply >> Diagnosis And Testing >> EVAP/Fuel System, Checking For Leaks >> EVAP System Function Overview

EVAP System Function Overview

WARNING: This page is about a different variant/trim than selected.
Fig 1: EVAP Canister System, Function Overview
GWWN20-10399Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.
  1. Evaporative Emission (EVAP) Canister
  2. Adapter Hose KLI 9210/55-1 Installed Location
    • Used during the fuel system leak test.
  3. EVAP Canister Purge Regulator Valve 1 -N80-
  4. Vent Line
    • To the throttle valve control module -J338-
  5. Solenoid Valve
    • For the leak detection pumpl
  6. Vacuum Line
    • Vehicles through MY 09: to the intake manifold.
    • Vehicles from MY 10: to the connection to the vacuum line between the vacuum pump and the brake booster.
  7. Air Filter Housing
    • For the leak detection pump.
  8. Leak Detection Pump -V144-
  9. Fuel Tank
  10. Cap