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Home >> Chevrolet >> 2009 >> Traverse LS, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System & Fuel System - 3.6L - DTC P0192 To DTC P0629 >> DTC P0455 or P0497 >> Component Testing
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Component Testing

  1. Seal the EVAP system using the EVAP Purge/Seal function with a scan tool.
  2. Pressurize the EVAP system to 9.33 mm/Hg (5 in/H2O).
  3. Compare the scan tool Fuel Tank Pressure sensor parameter to the J 41413-200  pressure/vacuum gage. See Special Tools . Verify the scan tool FTP sensor parameter is within 1.86 mm/Hg (1 in/H2O) of the pressure/vacuum gage.
    • If not within the specified range, replace the FTP sensor.
  4. Command the EVAP vent valve open with a scan tool. Verify the scan tool Fuel Tank Pressure parameter is at 0 mm/Hg (0 in/H2O).
    • If not within the specified range, replace the FTP sensor.
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