Hyundai Tucson: GPF Regeneration - Removal

Hyundai Tucson - Fourth generation (NX4) - (2020-2023) - Workshop Manual / Emission Control Syste /  Exhaust Emission Control System / GPF Regeneration - Removal


  1. Turn the ignition switch OFF and disconnect the battery negative (-) cable.
  2. Lift up the vehicle.
  3. Remove the floor under cover front RH.
  4. Disconnect the Exhaust Gas Temperature Sensor (EGTS) Front (A) and Rear (B).

  1. Remove the Gasoline Particulet Fiter (GPF) (A).

Tightening torque : 39.2 - 58.8 N.m (4.0 - 6.0 kgf.m, 28.9 - 43.4 lb-ft)


When installing, replace with new gaskets.



  1. Install in the reverse order of removal.



After replacing the GPF assembly, MUST perform the "Component Change Routine" procedure.

  1. Turn ignition switch OFF.
  2. Connect a diagnostic tool to Data Link Connector (DLC).
  3. Turn ignition switch ON.
  4. Select "Vehicle, Model year, Engine, System".
  5. Start engine at idle and P-range (A/T) or neutral (M/T).
  6. Apply electrical fully load to the vehicle (A/C ON, Blower ON with maximum speed, Head Lamp ON, Wiper ON, and Other Lamps ON, etc.).
  7. Select "Vehicle S/W Management".
  8. Select "Resetting Adaptive Values after GPF replacement".

GPF Regeneration- Description


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