LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2004 >> M45 >> Repair and Diagnosis >> Engine Performance >> Engine Control System >> DTC P1491: Vacuum Cut Valve Bypass Valve >> Diagnostic Procedure >> 10. Check EVAP Control System Pressure Sensor Hose
April 5, 2026: LEMON Manuals is launched! Read the announcement.

10. Check EVAP Control System Pressure Sensor Hose

  1. Turn ignition switch OFF.
  2. Check disconnection or improper connection of hose connected to EVAP control system pressure sensor.

OK or NG 

  1. OK: GO TO 11.
  2. NG: Repair or replace.
scientia non olet · About LEMON Manuals