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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 P0455: Fuel Tank Ventilation System (Major Leak) - Signal Implausible >> Diagnosis Procedure >> Check EVAP Canister Purge Valve

Check EVAP Canister Purge Valve

  1. Remove front right-hand wheel housing liner.
  2. Clean EVAP canister in the vicinity of the ventilation lines.
  3. Detach the ventilation line to the EVAP canister purge valve at the EVAP canister (connection with protective cap).
  4. With special tool 9160/1, generate a vacuum of 200 mbar (0.2 bar).

    If no vacuum can be built up, replace the EVAP canister purge valve.

    Fig 1: Checking EVAP Canister Purge Valve
    G00401780Courtesy of PORSCHE OF NORTH AMERICA, INC.
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