That looks like engine oil, can you please check the inside of the intel tube to see if there is oil inside tat as well? If so, it looks like the turbo has gone out and needs replacement and to confirm the issue you can check the turbo main shaft endplay. Here is a guide that will help, and I have included how to change the turbo out in the images below.
https://www.2carpros.com/articles/how-turbo-chargers-work
Check out the images (below). Let us know what happens and please upload pictures or videos of the problem so we can see what's going on. Thanks for the image, it helps.
Images (Click to enlarge)
Apr 3, 2023 at 7:15 AM
