Noisy fuel pump?
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New User
Joined: Jun 2011
Posts: 11
Likes: 1
From: Farmington
Noisy fuel pump?
2021 F-150 Supercab 5.0L 36 gal gas tank. When I open the door first thing in the morning I have a very noticeable (what sounds like a fuel pump) noise coming from the direction of the fuel tank. Is this normal? I never heard it with my 2011 F-150 regular cab 5.0L 36 gal fuel tank equipped truck.
Lead Driver
Joined: Jun 2005
Posts: 8,463
Likes: 724
From: Calgary Canada
I don't know why Ford went to a different fuel pump strategy. Would be interesting to know. Probably happened around 2018 when the engine got a bunch of updates, although that's just a guess on my part.
Fleet Owner
Joined: Jan 2004
Posts: 26,007
Likes: 575
From: Brentwood,CA
The two trucks have nothing in common, the entire drivetrain and fuel system is different. The engines are not even related and the 2021 has 16 fuel injectors and two split fuel systems.The noise is normal an is found on most vehicles that have direct injection.
More Turbo
Joined: May 2015
Posts: 670
Likes: 13
From: Nampa, ID
I just assume Ford did this for the people that swiftly insert the key and start it in one motion. I notice the sound very clearly on my 2019 3.5 when I open the driver's door.
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Trailering
Joined: Dec 2021
Posts: 15
Likes: 4
From: PA
I wonder if....
That was the first thing I noticed. Could it possibly be because they've deleted the gas cap? Could let more pump noise out through the filler tube.
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