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Discussion Starter · #1 ·
Just bought a 2010 3.8l coupe and it's making a sputtering sound when I accelerate. Have had exhaust fixed and still have this sound. Can anyone help me with answers 9n what it could be ?
Any tips would be helpful thanks
 

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a common cause for muffler noise is loose exhaust system components. Items close to your car's exhaust pipe, such as exhaust connectors, exhaust rubber hanger, or loose exhaust bracket, could come into contact with the muffler by accident, causing that rattling noise in the muffler, especially when you accelerate.
 
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