I think the code has nothing to do with the noise, which to me sounds like a timing chain, guide or tensioner issue. It makes this noise when the chain is loose, you can remove the valve cover and use a long standard screwdriver to check the play.
P0299 - Turbo/Supercharger Underboost Condition
Please start a new thread for the code p0299, sorry, we only handle one problem per thread, please post your new question here, you must be logged in.
https://www.2carpros.com/questions/new
Please upload a video in your response so we can see :) Also, thanks for the video of the noise it really helps.
Saturday, September 6th, 2025 AT 9:34 AM