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knock knock.
Who's there?
My only question is whether it is upper engine or lower engine. I'm not going to diagnose for sure from a YT video, but someone already diagnosed it in person.
How is your AFR? Look at fuel trims too and do you have any CEL, what tune are you using? If the engine is running very lean it could be pinging, but most likely it is like that mecahnic said and a rod knock
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