Knock/rattle noise what could it be? 4.6 2v

zaneyboi

New Member
Nov 7, 2018
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Alabama
My engine has a knock/rattle sound that is pretty noticeable. It is very faint under 2k rpm but after it is quite louder, but one thing I did notice is that it DOES NOT make the noise in neutral at any rpm, just park and drive. Let me know what you guys think because I cannot figure it out for the life of me.
 
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