2004 Infiniti I35FACTORY OEM SERVICE PROCEDURE

Possible Cause

  • Fuel filler cap remains open or fails to close.
  • Incorrect fuel tank vacuum relief valve
  • Incorrect fuel filler cap used
  • Foreign matter caught in fuel filler cap.
  • Leak is in line between intake manifold and EVAP canister purge volume control solenoid valve.
  • Foreign matter caught in EVAP canister vent control valve.
  • EVAP canister or fuel tank leaks
  • EVAP purge line (pipe and rubber tube) leaks
  • EVAP purge line rubber tube bent.
  • Blocked or bent rubber tube to EVAP control system pressure sensor
  • Loose or disconnected rubber tube
  • EVAP canister vent control valve and the circuit
  • EVAP canister purge volume control solenoid valve and the circuit
  • Fuel tank temperature sensor
  • O-ring of EVAP canister vent control valve is missing or damaged.
  • EVAP control system pressure sensor
  • Refueling control valve
  • ORVR system leaks
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.

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