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Home >> Infiniti >> 2002 >> Q45 >> Repair and Diagnosis >> External Pages >> Different car >> Section 216 (Engine Control System) >> Evaporative Emission System >> Component Inspection >> EVAP Service Port

EVAP Service Port

WARNING: This page is about a different car, the 2004 Infiniti Q45. However, it is still accessible from the selected car via links, so may be relevant.

Positive pressure is delivered to the EVAP system through the EVAP service port. If fuel vapor leakage in the EVAP system occurs, use a leak detector to locate the leak.

How to Detect Fuel Vapor Leakage 

CAUTION:
  • Never use compressed air or a high pressure pump.
  • Do not exceed 4.12 kPa (0.042 kg/cm2 , 0.6 psi) of pressure in EVAP system.
NOTE:
  • Do not start engine.
  • Improper installation of EVAP service port adapter to the EVAP service port may cause a leak.