The repair shop mentioned there were codes but sorry, I don't recall what they told us about that.

I have a 2009 C30 T5 that recently has developed a very strange noise from the engine compartment. I couldn't describe it so I shot a short video for you. About the same time the noise started, give or take a day or so, the 'check engine' light came on and has stayed on (still on). What really has m...