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Home >> Volkswagen >> 2013 >> Golf R 2D Hatchback >> Repair and Diagnosis >> Engine Performance >> Fuel Delivery >> 2.0L - Fuel Supply - Engine Code(S): CRZA >> 20 Fuel Supply >> Diagnosis And Testing >> Fuel System, Checking For Leaks >> EVAP System Functional Overview
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EVAP System Functional Overview

Fig 1: Identifying EVAP Canister System, Function Overview
GWWN20-10399Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.
  1. Evaporative Emission (EVAP) Canister 
  2. Adapter for EVAP. Tester KLI 9210/55-1 Installed Location 
    • Used during the fuel system leak test.
  3. EVAP Canister Purge Regulator Valve 1 -N80- 
  4. Vent Line 
    • Throttle valve control module -J338-
  5. Solenoid Valve 
    • For the leak detection pump.
  6. Vacuum Line 
    • To the intake manifold.
  7. Air Filter 
    • For the leak detection pump.
  8. Leak Detection Pump -V144- 
  9. Fuel Tank 
  10. Cap 
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