PO455 f-250 code.
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5th Wheeling
Joined: May 2025
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PO455 f-250 code.
Check engine light came on the other day, po455 (gross evap leak), cleared it but it is back. Any common 2021 f-250 godzilla evap issues? Purge valve? Gas cap? The only odd thing i notice is that every time i start my truck there is a kind of squeaky grindy noise that comes from behind the steering wheel which stops in a few seconds, but it has been that way for a while. Thanks!
Mike
Mike
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Joined: Jan 2010
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Squeaky noise could be a bearing in the steering column.
As for evap leak, I wouldn't say there's something common to 7.3's but the basics are gas cap and purge valve, or flooding the system with smoke and checking where it comes out from.
As for evap leak, I wouldn't say there's something common to 7.3's but the basics are gas cap and purge valve, or flooding the system with smoke and checking where it comes out from.
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beerguy5812
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Jun 2, 2009 12:59 PM
