P0455 on Your 2024 Mazda CX-50
A P0455 on your 2024 CX-50 means a large EVAP leak. Your SKYACTIV 2.5L (or 2.5 Turbo) is fully under warranty. Gas cap first.
Symptoms
- Check engine light with P0455
- Possible fuel smell
- Gas cap not seating
- EVAP readiness incomplete
Top Causes
- Gas Cap Seal (Very High Likelihood): Loose or factory defect. Warranty-covered.
- Purge Solenoid Valve (Medium Likelihood): Mazda purge valve. Warranty-covered.
- Canister Vent Valve (Medium Likelihood): Factory defect. Warranty-covered.
- Vapor Hose (Low Likelihood): Assembly issue. Warranty-covered.
- PCM Software (Low Likelihood): Calibration update. Warranty-covered.
Warranty
Your 2024 CX-50 is covered by Mazda's 3-year/36,000-mile warranty through 2027. Federal emissions (8yr/80k) extends through 2032.
Safe to Drive?
Yes. P0455 doesn't affect the engine, i-ACTIV AWD, or Meridian Edition features.