Hey guys,

Recently started hearing an ticking noise coming from what i think is the engine, might be the exhaust. I recently changed to high mileage mobil 1, around 2000 miles since the oil change. I was trying to troubleshoot today, changed the serpentine belt and pulleys, changed all the spark plugs. The ticking noise is still there. I'm not sure exactly where the noise is coming from. From what I've read it could be lifters, timing chain, knock sensor. Any ideas what to try next? Here's a small video of the sound.



The car now has 108k miles. I was think about adding some oil treatment or doing an fresh oil and filter change. Any suggesions?

 

Responded to your other post about the same issue.

 

Please don't make duplicate threads/posts relating to the same issue, thanks.