2019 Infiniti M35 V6-3.5L (VQ35HR) Diagnostic and Repair Information Page 531
16.CHECK EVAP/ORVR LINE
Check EVAP/ORVR line between EVAP canister and fuel tank for clogging, kinks, looseness and improper connection. For location, See:
Powertrain Management/Emission Control Systems/Evaporative Emissions System/Refueling Vapor Recovery System/Testing and
Inspection/Diagnosis Procedure.
Is the inspection result normal?
YES - GO TO 17.
NO - Repair or replace hoses and tubes.
17.CHECK RECIRCULATION LINE
Check recirculation line between filler neck tube and fuel tank for clogging, kinks, cracks, looseness and improper connection.
Is the inspection result normal?
YES - GO TO 18.
NO - Repair or replace hose, tube or filler neck tube.
18.CHECK REFUELING EVAP VAPOR CUT VALVE
See: Powertrain Management/Emission Control Systems/Evaporative Emissions System/Refueling Vapor Recovery System/Testing and
Inspection/Component Inspection.
Is the inspection result normal?
YES - GO TO 19.
NO - Replace refueling EVAP vapor cut valve with fuel tank.
19.CHECK INTERMITTENT INCIDENT
See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Initial Inspection and Diagnostic Overview/Trouble
Diagnosis For Intermittent Incident/Description.
- INSPECTION END
Component Inspection
1.CHECK FUEL FILLER CAP
1. Turn ignition switch OFF.
2. Remove fuel filler cap.
3. Wipe clean valve housing.
4. Install fuel filler cap adapter (commercial service tool) to fuel filler cap.
5. Check valve opening pressure and vacuum.
Pressure: 15.3 - 20.0 kPa (0.156 - 0.204 kg/cm2, 2.22 - 2.90 psi)
Vacuum: -6.0 to -3.3 kPa (-0.061 to -0.034 kg/cm2, -0.87 to -0.48 psi)
Is the inspection result normal?
YES - INSPECTION END
NO - GO TO 2.
2.REPLACE FUEL FILLER CAP
Replace fuel filler cap.
CAUTION:
Use only a genuine fuel filler cap as a replacement. If an incorrect fuel filler cap is used, the MIL may illuminate.