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Home >> Kia >> 2021 >> Sedona EX >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (5 Of 7) >> DTC P0521-00: Engine Oil Pressure Sensor/Switch 'A' Range/Performance >> System Inspection >> Visual check

Visual check

  1. Check engine oil gauge.
  2. Check contamination of engine oil.
  3. Check clog of oil path.

    Good 

    • 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, bending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and go to "VERIFICATION OF REPAIR " procedure.

    No Good 

    • Carefully re-do this troubleshooting guide steps.
    • If no problems were found with the circuits or connectors, replace the Oil Pressure Solenoid Valve and go to "VERIFICATION OF REPAIR " procedure.
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