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2007 INFINITI FX45
4.5L V8•AWD•AUTOMATIC•gas
4 active safety recalls on this vehicle — view recalls
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Repairs0Labor476Torque2094Fluid7DTC1900Battery1Maintenance0Recalls4
P1492moderate severityPowertrain

EVAP Canister Purge Control Valve/Vacuum Switch

on 2007 Infiniti FX45 4.5L V8 · AWD

What this code means

The EVAP canister purge control valve or vacuum switch signal is out of range. This can cause improper fuel vapor purging.

Symptoms

  • Check engine light on
  • Rough idle
  • Fuel smell

Common causes

  • Faulty purge control valve
  • Bad vacuum switch
  • Vacuum hose leak
  • Wiring or connector issue

Diagnostic steps

  1. Retrieve fault codes
  2. Inspect purge valve and vacuum switch
  3. Test valve and switch signals
  4. Check circuit wiring
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