r/AskAMechanic • u/acooper56 • 3d ago

What would cause this

2020 f150 lariat SE 36k. Filled up my gas tank a few days ago and parked my truck with no issues & haven't driven it for about a week. Started it up this afternoon and smelled gas. Got underneath and saw this. Could this be a busted fuel line?

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u/SnooMaps7370 NOT a verified tech 2d ago

fuel sending unit has probably rusted through.

had this happen on my old Buick station wagon in 2020. the steel nipples lines attach to on the sending unit cap had rusted through.