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I am hearing a rattling sound like a loose piece of metal when I accelerate

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Hello, Most common cause of rattling noise is a loose heat shield on the catalytic converter. It's all right to drive in this condition but if the noise becomes too bothersome, you can either remove it or bring it to a muffler shop and see if they will spot weld it or secure it another way. Don't let them try to sell you another catalytic converter.

Thanks

Posted on Aug 25, 2010

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