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Home >> Saturn >> 2008 >> Astra XE, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - DTC P0341 To DTC P2544 >> DTC P0496 >> Circuit/System Testing
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Circuit/System Testing

  1. Disconnect the EVAP vent pipe from the EVAP canister vent solenoid valve.
  2. Seal the EVAP vent pipe using a plug from the J 41413-300  .
  3. Turn ON the ignition.
  4. Command the EVAP canister purge solenoid valve to 0 percent with a scan tool.
  5. Start the engine.
  6. Observe the FTP sensor with a scan tool. The Fuel Tank Pressure Sensor parameter should be less than 1.7 volts after 90 seconds.
    • If the Fuel Tank Pressure Sensor parameter is greater than the specified range, replace the EVAP canister purge solenoid valve.
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