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Home >> Genesis >> 2021 >> G90 5.0 Ultimate, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 29 (Engine Control System Diagnosis - 3.3L (2 Of 9)) >> DTC P0087-00: Fuel Rail/System Pressure - Too Low >> System Inspection >> Check high pressure pump

Check high pressure pump

WARNING: This page is about a different variant/trim than selected.
  1. Connect GDS to DLC (Data Link Cable).
  2. Start the engine and monitor "Rail Pressure Sensor" parameter on GDS at accelerating.
  3. Are the parameters displayed correctly?

    Specification:  the fuel rail pressure will be increased while accelerating the vehicle.

    G14204314Courtesy of HYUNDAI MOTOR AMERICA
  4. Are the parameters displayed correctly?

    YES 

    • Go to "Check injector" as follows.

    NO