Evap and refueling issue
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1st Gear
Joined: Sep 2025
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Evap and refueling issue
2008 f350 v10 flat bed. I have codes for unable to bleed up fuel tank vacuum and evap pressure sensor range performance. Codes p1450 and 0451. I also have an issue with fueling up. I have to turn gas nossle upside down and barely squeeze the trigger to allow it to fill up without shutting the pump off or over filling the spigot. It has gotten worse over the last year of owning the truck. Is it possibly bothering the sensor and the canister? Or maybe something else?
More Turbo
Joined: Apr 2014
Posts: 644
Likes: 29
From: Toronto, Canada
I have a 2005 and that is a well known issue.
The problem most of the time is the charcoal canister getting clogged. Some people have luck blowing things out with compressed air, others fixed the problem by replacing the canister.
The problem most of the time is the charcoal canister getting clogged. Some people have luck blowing things out with compressed air, others fixed the problem by replacing the canister.
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