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P1444low severityPowertrain

EVAP Canister Purge Volume Control Solenoid Valve

on 2003 Infiniti FX45 4.5L V8 · AWD

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

Other Powertrain codes on this vehicle

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