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Home >> Hyundai >> 2004 >> Elantra GLS, Standard >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel System >> DTC Trouble Shooting Procedures >> DTC P0453: EVAP Emission Control System Pressure Sensor High Input >> Inspection Procedures >> 1. Problem Verification
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1. Problem Verification

  1. Connect a Hi-Scan (Pro) to the data link connector and turn ignition switch to ON position.
  2. Using the Hi-Scan (Pro) monitor the FTPS voltage signals.
    • Specification: approximately 2.5V at idle 

Is voltage within specification? 

No: Go to next step.

Yes: Problem is intermittent or was repaired and engine control module memory was not cleared. Proceed with intermittent problem procedure.

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