Rattling noises from the front suspension while driving over rough roads can be caused by defective front sway bar bushings. Replacing the bushings with the updated design is a common repair.
2009 Mazda Mazda5 Problem Reports
Most Reported 2009 Mazda Mazda5 Problem Reports
On some models, excessive engine vibration or knocking noises heard while the engine is idling, being started or switched off are usually caused by a defective engine mount at the top right side of the engine. A redesigned engine mount is available to alleviate this problem.
A Loose rear stabilizer bar link can cause a rattling noise from the rear suspension while driving on rough roads. Our technicians tell us if the rear stabilizer bar and links are not found to be loose, there are updated sway bar bushings available which should correct this problem.
Some models may have a problem with stalling under light acceleration. Updated software for the powertrain control module (PCM) is available which may help with this concern.