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Home >> Infiniti >> 2004 >> M45 >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Control System >> DTC P1491: Vacuum Cut Valve Bypass Valve >> Diagnostic Procedure >> 12. Check EVAP Control System Pressure Sensor
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12. Check EVAP Control System Pressure Sensor

Refer to COMPONENT INSPECTION .

OK or NG 

  1. OK: GO TO 13.
  2. NG: Replace EVAP control system pressure sensor.
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