Back to 2018 Infiniti Q70L

2018 INFINITI Q70L

5.6L V8RWDAUTOMATICgas
1 active safety recall on this vehicle — view recalls
Repairs0Labor499Torque2473Fluid7DTC925Battery0Maintenance0Recalls1
P1441low severityPowertrain

Vacuum Cut Valve Bypass Valve

on 2018 Infiniti Q70L 5.6L V8 · RWD

What this code means

Fault in vacuum cut valve bypass valve controlling fuel vapor flow.

Symptoms

  • CEL
  • Failed emissions
  • Fuel odor possible

Common causes

  • Faulty bypass valve
  • Damaged wiring
  • Clogged valve
  • Faulty ECM

Diagnostic steps

  1. Test valve operation
  2. Inspect wiring
  3. Check for blockage
  4. Test ECM output

Repair notes

Replace bypass valve.

Other Powertrain codes on this vehicle

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