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Home >> Chevrolet >> 2012 >> Orlando LS, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls/Fuel - 2.4L - Diagnostic Information And Procedures >> Diagnostic Information and Procedures >> DTC P0496 >> Circuit/System Testing
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Circuit/System Testing

  1. Ignition ON, engine OFF.
  2. Seal the EVAP system using the Purge/Seal function with a scan tool.
  3. Start the engine.
  4. Observe the FTP sensor with a scan tool. The Fuel Tank Pressure Sensor parameter should be less than 1.7 V after 90 s.
    • If the Fuel Tank Pressure Sensor parameter is greater than the specified range, replace the Q12 evaporative emission purge solenoid valve.
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