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Home >> Kia >> 2014 >> Forte EX >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (1 Of 2) - 2.0L >> DTC P0091: Fuel Pressure Regulator 1 Control Circuit Low >> DTC Inspection >> 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 Fuel Rail Pressure related parameter on the "Current Data"  with GDS.
    Fig 1: Display - Fuel Rail Pressure Parameter Current Data Screen
    G09749295Courtesy of KIA MOTORS AMERICA, INC.
  4. Is the "FPR" parameter displayed correctly?

    YES 

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

    NO 

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