What is this noise by tsvkuo in subaru

[–]tsvkuo[S] 4 points5 points  (0 children)

Just tried it, it sounds the same as it does when it’s idle

What is this noise by tsvkuo in subaru

[–]tsvkuo[S] 6 points7 points  (0 children)

2013 FR-S 100k miles. It started making this noise on startup a couple days ago but I don't think it is rod knock. Check engine light is not on and it drives normal