Tracking P0455 on Your 2022 Mazda CX-50
A P0455 on your 2022 CX-50 means a large EVAP leak. This first-year CX-50 with the SKYACTIV-G 2.5L (or 2.5 Turbo) is likely under warranty. Gas cap first.
Evidence
- Check engine light on
- P0455 stored
- Possible fuel odor
- Gas cap issue
Causes by Likelihood
- Gas Cap Seal (Very High Likelihood): Loose or worn. $0–$20.
- Purge Solenoid Valve (Medium Likelihood): Mazda purge valve. $120–$250 installed.
- Canister Vent Valve (Medium Likelihood): Seal failure. $110–$240 installed.
- Vapor Hose (Low Likelihood): Connection issue. $70–$190.
- Charcoal Canister (Low Likelihood): Rare. $180–$360 installed.
CX-50 Off-Road Note
If you use the CX-50 for outdoor adventures, dust and debris can contaminate the gas cap seal. Clean the filler area after trail use.
Warranty
Your 2022 CX-50 is likely under Mazda's 3-year/36,000-mile warranty. Federal emissions (8yr/80k) covers EVAP through 2030.
Safe to Drive?
Yes. P0455 doesn't affect the engine, i-ACTIV AWD, or features.