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Home >> Volkswagen >> 1999 >> Golf Wolfsburg Edition, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 40 (1.8L - Engine Mechanical, Engine Code(S): AWD, AWW, AWP (A4 Platform)) >> 20 - Fuel supply >> Evaporative emissions (EVAP) system >> Evaporative emissions (EVAP) system, overview

Evaporative emissions (EVAP) system, overview

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Fig 1: Evaporative Emissions System, Overview
GW00000670Courtesy of VOLKSWAGEN UNITED STATES, INC.

1 - Tank flap unit

2 - Fuel tank

3 - Fuel delivery unit

4 - Intake tube

5 - Throttle valve control module J338

6 - Intake manifold

7 - Fuel distributor with fuel injectors

8 - Fuel pressure regulator

9 - Fuel filter

10 - Evaporative Emission (EVAP) Canister Purge Solenoid Valve 1 N80

11 - Test connection

12 - Gravity/expansion valve

13 - Pressure retention valve

14 - Switch-over valve

15 - EVAP canister

16 - Leak detection pump (LDP) V144

17 - Air filter for diagnosis pump