Tracking P0455 on Your 2022 Ram 1500
A P0455 on your 2022 Ram 1500 means a large EVAP leak. Whether you have the 3.6L Pentastar, 5.7L HEMI, or 3.0L EcoDiesel, the gas cap is the first suspect.
Evidence
- Check engine light on
- P0455 stored in PCM
- Possible fuel odor near bed
- Gas cap issue
Causes Ranked
- Gas Cap Seal (Very High Likelihood): Loose or worn. $0–$25.
- EVAP Canister Vent Valve (Medium Likelihood): Stellantis vent valve. $150–$300 installed.
- Purge Solenoid (Medium Likelihood): Stuck open. $140–$280 installed.
- Vapor Line (Low Likelihood): Truck bed area damage. $100–$250.
- Charcoal Canister (Low Likelihood): Saturated. $200–$400 installed.
Warranty
Your 2022 Ram 1500 may still be under the 3-year/36,000-mile warranty. Federal emissions (8yr/80k) covers EVAP through 2030.
Safe to Drive?
Yes. P0455 doesn't affect any engine, 4WD, towing, or truck functions.