P0455 Code: 2024 Infiniti QX60 – What It Means & Cost to Fix

2024 Infiniti QX60 P0455: Large EVAP Leak — Warranty Guide

P0455 on Your 2024 Infiniti QX60

A P0455 on your 2024 QX60 means a large EVAP leak. The 3-row luxury SUV with the 3.5L V6 is fully under Infiniti's generous warranty. Gas cap first.

Symptoms

  • Check engine light with P0455
  • Possible fuel smell
  • Gas cap not seating
  • EVAP monitor incomplete

Top Causes

  1. Gas Cap Seal (Very High Likelihood): Loose or factory defect. Warranty-covered.
  2. Vent Control Valve (Medium Likelihood): Nissan EVAP valve. Warranty-covered.
  3. Purge Volume Control Valve (Medium Likelihood): Factory defect. Warranty-covered.
  4. Charcoal Canister (Low Likelihood): Manufacturing issue. Warranty-covered.
  5. Software Calibration (Low Likelihood): ECM update. Warranty-covered.

What to Do

Tighten the gas cap and drive 2–3 days. If P0455 persists, your Infiniti dealer will diagnose and repair free using CONSULT.

Warranty

Your 2024 QX60 is covered by Infiniti's 4-year/60,000-mile warranty through 2028. Federal emissions (8yr/80k) extends through 2032.

Safe to Drive?

Yes. P0455 doesn't affect the V6, AWD, or any features.

Frequently Asked Questions

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