'25 Hybrid AWD with the same noise and has persisted for weeks. It seems to occur during warmer weather.
Not terribly loud, but loud enough to make me think "uh oh, that's not good".
I've read each comment, used AI to find trusted external sources, and carefully deliberated both sides. I've come to the conclusion that I should use diesel. Did I do this right?
BP, Shell and others have more detergents in their premium octane.
Best to do your own research for the brand of gas you use since there may or may not be a difference. I use Costco which uses the same detergent level across octanes.