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Home >> Audi >> 1998 >> A8 Quattro >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Fuel Supply - 3.7L & 4.2L V8 4V (AEW, ABZ) >> Evaporative Emissions (EVAP) control system, servicing >> Notes

Evaporative Emissions (EVAP) control system, servicing: Notes

NOTE:
  • The EVAP canister is located in the left-rear wheelhousing behind the wheelhousing liner.
  • When working on the EVAP canister the wheelhousing liner should be removed.
NOTE: The following list refers to items in Fig 1 .
  1. From expansion tank 
    • 6 mm diameter
  2. To engine 
    • 8 mm diameter
  3. Vent line 
    • Line ends at vehicle floor
  4. Evaporative Emissions (EVAP) canister 
  5. EVAP canister purge regulator valve 
  6. To connection between intake manifold and throttle body 
  7. Fig 1: Identifying Evaporative Emissions (EVAP) Control System Components
    G02725942