Engine noise when warming up

[Mandelbloom]

I noticed that my engine really seems to growl when I first stet driving and the engine is cold . It then seems to quite down and be zippier after it warms up . Assume this is normal ?

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[OKRaptor]

This is normal, it's the cooling fan that your are hearing. Upon start-up of the Ranger the Cooling fan (which is engaged via a electric solenoid) is engaged for a certain amount of time or until the coolant reaches a certain temp (not sure which) and then it disengages. Not sure why Ford does this?

Since I installed a tune, mine no longer does this. I believe the tuner programmed it not to engage unless called upon due to coolant temperature achieving a certain set point.

Highly recommend a tune just for that feature alone, the coolant fan engaging upon start-up makes no sense to me.

 

[Mandelbloom]

Cool thanks , which tune did you install ?

 

[OKRaptor]

Cool thanks , which tune did you install ?

Unleashed Tuning - 91 Octane Performance tune.

 

[Bdubb]

Unleashed Tuning - 91 Octane Performance tune.

Did you notice a difference in the other engine noise complaints besides the fan roar, the electronic zippy cranking sounds when hitting the throttle many have complained about?

 

[dapakattack]

So does the cooling fan sound like a weed wacker/eater? That sound seems most noticeable when the engine is cold or after starting and driving for the first few minutes.

 

[Frenchy]

So does the cooling fan sound like a weed wacker/eater? That sound seems most noticeable when the engine is cold or after starting and driving for the first few minutes.

As @RANGER PRIDE said it is the High pressure fuel pump. What can you do to quiet it down? Get the Lariat engine cover. Is is a foam based cover and will give you less engine noise to an extent. It does look goofy in my opinion but to each thier own.

 

[OrangeStreak]

I noticed that my engine really seems to growl when I first stet driving and the engine is cold . It then seems to quite down and be zippier after it warms up . Assume this is normal ?

I'm, getting the exact same thing and it looks like OKRaptor described the problem.

 

[TXRanger13]

I am having the same noise/issue. The engine seems to be really loud on start up. I don’t think it’s running additional RPMs, but it just seems like it’s working extra hard. After driving around for about 20-30 seconds, it goes away. The longer that I drive for a slower period of time, it seems to stay loud.

I have a new 2020 Lariat with about 500 miles on it.

I am located in Texas, and it has been doing this in about 40-50 degree weather (not that cold in my opinion).

Should I take to the dealer to get checked out or is it the engine breaking in?

 

[Trigganometry]

That’s the fan. All of our do the same thing. You think it was an industrial vacuum cleaner the way it sounds. Might be a critter alarm so you don’t drive off with a unwanted passengers ?

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