The engine sounds fine when accelerating and decelerating, I do regular oil and fluid maintenance. Now it sounds like a “tight”vibration or a deep whirring sound when the car accelerates during a climb or speed increase. Is it something loose or is it more serious? Could it be the muffler???
2010 Mercury Milan
Keywords:Milan
Could be a muffler or a worn drive belt.
How to diagnose a noise
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