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Does anyone else have the check engine light come on periodically with the code P0455. I have replaced the gas cap. The check engine light has still come on after that but not as much. Thanks.
2016 F250 4x4 XL 6.2 liter gas
Last edited by bpsphpkp; Jun 19, 2025 at 06:09 AM.
Need a little more info on the truck...engine, year would help.
Could be evap canister, could be a leaking hose...could be you're not tightening the gas cap enough - three clicks is the recommended minimum, I always just give 'er a good twist and make sure it's well more than 3.
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