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Home >> Hyundai >> 2012 >> Accent SE, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (1 Of 2) >> DTC P0091: Fuel Pressure Regulator 1 Control Circuit Low >> Scantool Diagnostics >> Monitor GDS Data
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Monitor GDS Data

  1. Connect GDS to DLC (Data Link Cable).
  2. Warm up the engine to normal operating temperature.
  3. Monitor "FPR" parameter on GDS.
    Fig 1: Display - FPR Parameter On GDS
    G08802033Courtesy of HYUNDAI MOTOR AMERICA
  4. Is the "FPR" parameter displayed correctly?

    YES 

    • Fault is intermittent caused by poor contact in the sensor's and/or ECM's connector or was repaired and ECM memory was not cleared. Thoroughly check connectors for looseness, poor connection, ending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.

    NO 

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