Fuel system click
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Lead Driver
Joined: Jan 2010
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Fuel system click
A few people here said they’re bored.
So, time for some pointless learning (at least for me).
What causes this fuel system related click at 0:12?
Is something opening or closing?
It comes from under the cab of the truck.
Camera was on top of the degas bottle so it’s loud.
Ford Super Duty 2011 fuel system click - YouTube
So, time for some pointless learning (at least for me).
What causes this fuel system related click at 0:12?
Is something opening or closing?
It comes from under the cab of the truck.
Camera was on top of the degas bottle so it’s loud.
Ford Super Duty 2011 fuel system click - YouTube
Post Fiend
Joined: Apr 2004
Posts: 5,158
Likes: 35
From: North of Salt Lake City
I just went out in the garage and tried this. Sitting on the driver seat with the dooropen,I turned on the ignition and listened. 10 seconds later I heard a very similar click from under the truck in the vicinity of the DFCM. I tried to repeat a second time but no sound.
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Lead Driver
Joined: Jan 2010
Posts: 6,600
Likes: 84
I just went out in the garage and tried this. Sitting on the driver seat with the dooropen,I turned on the ignition and listened. 10 seconds later I heard a very similar click from under the truck in the vicinity of the DFCM. I tried to repeat a second time but no sound.
The sound is actually louder near the DEF tank now that I've jumped from the cab to listen.
So, further back than I thought.
Edit: I should say, I waited about a half hour. It could take 5 minutes.
Last edited by kper05; Jan 1, 2012 at 10:50 PM. Reason: Added edit...
Senior User
Joined: Feb 2011
Posts: 118
Likes: 0
From: Spokane, WA
Can't bring myself to crawl in the mud and listen for said sound, just now, but could it be that the volume is too low on your stereo system?
Happy New Year!
Happy New Year!
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Super Moderator
Joined: Aug 2003
Posts: 25,479
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From: Isanti, MN
That's a tough one, kper! I know that the DEF system does a few complex things around this time though. When the truck is shut down it draws all the fluid out from the lines to prevent freezing, and therefore once you start the truck it has to pressurize the lines. There is an injector at the end of the circuit as well as a pressure sensor involved.
Perhaps it has to do with the DEF line filling?
Perhaps it has to do with the DEF line filling?
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