I have just went on a 3 hour plus drive out of town with highways speeds, I noticed when I accelerate at a relatively quick rate my Prius 3 makes a strange metal rattling noise I would describe it at. I checked the heat shield it’s still on, it sounds like it comes from the front of the car. It makes the noise until I get to a coast and then it keeps up speed without making the noise. Any ideas? All help is appreciated.
Hello, I know this thread is old but did you ever figure out the problem. It sounds like the exact problem I am starting to have. thank you, Arb
