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2002 INFINITI Q45
4.5L V8•RWD•AUTOMATIC•gas
1 active safety recall on this vehicle — view recalls
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Repairs0Labor486Torque681Fluid8DTC1766Battery1Maintenance0Recalls1
P1444low severityPowertrain

EVAP Canister Purge Volume Control Solenoid Valve

on 2002 Infiniti Q45 4.5L V8 · RWD

What this code means

The ECM detected the EVAP purge volume control solenoid valve stuck or leaking. Similar to generic purge valve codes like P0443.

Symptoms

  • Check engine light on
  • Rough idle
  • Fuel odor

Common causes

  • Faulty purge volume control solenoid
  • Stuck or leaking valve
  • Wiring or connector fault
  • Vacuum hose leak

Diagnostic steps

  1. Retrieve freeze frame data
  2. Inspect purge solenoid and hoses
  3. Test solenoid operation and resistance
  4. Replace solenoid if faulty
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