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Home >> Porsche >> 2000 >> Boxster Base, Standard >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Cruise Control Systems >> DME 7.2 - 911 CARRERA & BOXSTER >> DTC P0440: Fuel Tank Ventilation System - Above Limit >> Diagnosis Procedure >> Check EVAP Canister Purge Valve

Check EVAP Canister Purge Valve

  1. Disconnect hose from EVAP canister purge valve to intake system at EVAP canister purge valve.
  2. Remove connector of EVAP canister purge valve.
  3. Connect special tool 9160/1 to EVAP canister purge valve.
  4. Generate vacuum of approx. 0.7 bar.

    The vacuum must not fall below 0.5 bar after 10 minutes.

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