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Home >> Infiniti >> 2004 >> Q45 >> Repair and Diagnosis >> Engine Performance >> Engine Control System >> DTC P0452: EVAP Control System Pressure Sensor >> Diagnostic Procedure >> 1. Check Ground Connections

1. Check Ground Connections

  1. Turn ignition switch OFF.
  2. Loosen and retighten two ground screws.

    Refer to GROUND INSPECTION  .

OK or NG 

OK : GO TO 2.

NG : Repair or replace ground connections. See Figure.

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