5S-FE MK2 Non-Turbo Engine, sound, coming, whirring, engine, noticed, inside, sounds, noise, possibilities, driving, rough, side, louder, hear, passenger, slight, idle
- Okay, so during idle, I hear a slight whirring sound that gets a tad bit louder the more you rev. I noticed that the sound is coming from the passenger side of the engine and it sounds like it