Engine Knock (No Rattle)

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Blkshp18

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Joined
May 8, 2021
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Location
Anaheim, CA
2019 Raptor with 65k miles. Cam Phasers have already been fixed, but now the engine is making a knocking sound for about 10 seconds upon startup. The engine is usually warm when that noise is audible. I found a video clip on Facebook of a guy with the same issue


No need to hear that it’s cam phasers or wastgate rattle because I know that’s not it. Eager to hear what it could be.
 
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