Yep, if you can't hear the turbo, it can be bad which will slow the engine down much like you have described. I would remove the inlet or outlet tube for the turbo to check the turbine shaft endplay. If loose the turbo will not work, here is how to remove the tubes and the turbo if needed. please check out this guide to see what I am talking about.
https://www.2carpros.com/articles/how-turbo-chargers-work
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Monday, March 4th, 2024 AT 11:28 AM