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Okie72

2018 5.3, sounds like fuel pump starts when open drivers door!

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I have noticed when I open the drivers door I here a sound like the fuel pump starting up for several seconds then shuts off.  Is this normal? What is the reason for doing this?

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My 17 do the same thing. It’s normal. 

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Yup, that.

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It’s damn loud sometimes too.  

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Same on my 17’


Sent from my iPhone using Tapatalk

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If you get out of the drivers door and just stand there for a bit you will hear it Click as well aka release pressure..

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How does it work with remote start?


It happens in the few second delay before the truck actually starts.


Sent from my iPhone using Tapatalk

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Does it on my 2017.  No big deal.

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