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P1446moderate severityPowertrain

EVAP Canister Vent Control Valve Closed

on 1997 Infiniti J30 3.0L V6 · RWD

What this code means

EVAP vent valve stuck closed preventing tank venting during refuel.

Symptoms

  • CEL
  • Difficulty filling fuel tank
  • Pump nozzle clicks off early
  • Tank pressure issues

Common causes

  • Faulty vent solenoid (90% of cases)
  • Clogged vent hose
  • Dirty canister
  • Corroded pins

Diagnostic steps

  1. Test vent solenoid
  2. Inspect vent hose
  3. Check canister
  4. Test connector

Repair notes

Replace EVAP vent control solenoid.

Other Powertrain codes on this vehicle

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