Overview of EVAP Canister System

2003 Volkswagen New Beetle (1C1) L4-2.0L (BDC)SECTION Overview of EVAP Canister System


Overview Plan Of EVAP Canister System (Vehicles With Engine Code BDC)







1 Tank lid unit
- with rubber cap
2 Fuel tank
3 Fuel pump
4 Intake hose
5 Throttle valve control unit (J338)*
6 Upper part of intake manifold
7 Fuel rail with fuel injectors
8 Fuel pressure regulator
9 Fuel filter
- Installation position: Arrow points in direction of flow
10 Evaporative Emission (EVAP) Canister Purge Regulator Valve -N80-*
- Installation position: Arrow points in direction of flow
11 Test connection
- not available on all vehicles
12 Gravity valve
13 Pressure retention valve
14 Change-over valve
15 EVAP canister
- Under wheel housing liner in rear right wheel housing
16 Leak Detection Pump (LDP) -V144-*
- Under wheel housing liner in rear right wheel housing
17 Air filter for diagnostic pump
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.