Home › Forums › Stay Dirty Lounge › Service and Repair Questions Answered Here › Mazda 3 hatchback shaking problem › Re: Mazda 3 hatchback shaking problem November 6, 2012 at 4:08 am #474755 MikeParticipant I would recommend following the posted video about the throttle body cleaning. I know on Mazdas the throttle body gets gunked up, and the grounds for the throttle body get corroded as well. Source- I’m a Mazda apprentice lol.