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2.3, cold engine, valve clatter noise

First Name
Red
Joined
Apr 4, 2023
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Location
CBUS
Vehicle(s)
Race E Bronco. Wile E Mustang
Your Bronco Model
Base
Clubs
 
Who can advise?
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Lifeliberty

Base
Well-Known Member
First Name
Moonbeam👀
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Location
Columbus, OH
Vehicle(s)
93CBR900RR, (prior)88 Bronco Manual 4.9L str 6
Your Bronco Model
Base
Drive it till it breaks....
It's under warranty so whatever

It's probably fine, mine is loud. If really cold you can add in manual trans grumbling. All go away after 2 miles

I just don't drive hard until warmed up
 

thesocalexplorer

Big Bend
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First Name
Joe
Joined
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Location
Southern California
Vehicle(s)
Bronco
Your Bronco Model
Big Bend
Clubs
 
I think the 2.3 in general is really noisy at cold start, especially being direct injection. The fact that high idle lasts for a while (1-2 mins) compared to other cars doesn't help either. It quiets down a lot when at operating temp.
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