Tracking Down P0455 on Your 2022 Ford Ranger
A P0455 on your 2022 Ford Ranger indicates a large leak in the EVAP system. Your Ranger with the 2.3L EcoBoost and 10-speed automatic may still be within Ford's basic warranty depending on mileage. Before visiting the dealer, check the gas cap—it's the most frequent cause of this code.
Clues to Look For
- Check engine light with P0455
- Possible fuel odor near the bed area
- Gas cap not clicking when tightened
- Emissions readiness monitor not setting
Causes by Probability
- Gas Cap Seal (Very High Likelihood): Loose or worn. Tighten until it clicks or replace for $10–$25.
- Canister Vent Solenoid (Medium Likelihood): Ford's vent solenoid failing to seal. $120–$220 if out of warranty.
- EVAP Vapor Line (Medium Likelihood): Cracked or disconnected line under the truck. $80–$200.
- Purge Valve (Low Likelihood): Stuck open. $100–$200.
- Charcoal Canister (Low Likelihood): Saturated from fuel overfilling. $200–$350.
What to Do
Tighten the gas cap and drive 2–3 days. If the light stays on, visit a Ford dealer. Check your warranty status—you may be within the 3yr/36k bumper-to-bumper. Either way, the federal emissions warranty covers this through 2030.
Warranty Coverage
Ford's basic warranty (3 years/36,000 miles) runs through 2025. If you're past that, the federal emissions warranty (8 years/80,000 miles) covers EVAP through 2030. Check with your dealer.
Safe to Drive?
Yes. P0455 doesn't affect the Ranger's 2.3L EcoBoost performance, towing, or any driving systems.