troubleshooting

Hey everyone, have this sound that I can hear coming from underneath the hood on my Supra. I've tried tightening the hood hinges and everything and it doesn't seem like anything is loose in there. When sitting in the car, it presents itself as a classic rattle when I'm driving down bumpy roads...

My 2021 3.0 has been at the dealership due to the oil consumption issue for about 3 months. They replaced 6 piston assemblies, the water pump, the oil pump, and a ton of seals/gaskets. I was expecting the battery to die, because I didn't think the dealer would maintain it while it was sitting...