1998 Mazda 626 Rattling Exhaust on Accelleration

Other Category problem
1998 Mazda 626 Engine Size unknown Four Wheel Drive Automatic 68000 miles

Hi

Over the last couple of months I have had a rattle coming from the exhaust/muffler area of my car. It is not getting any worse or better. When I accellerate it sounds like a rattle or maybe like a loose disk or washer rubbing against something - surely it has to be a vibration problem. It stops when I take my foot off the accellerator and doesn't do it at any other time or when it is in neutral and I rev the engine. It mostly does it when I first take off and before it changes into the second gear. The mechanic said maybe I had stones in my muffler.

Thanks for your help.