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1994 Honda Accord Question: What is causing rattling noise coming from underneath car when I press on gas?

 

Question

gaby01, Indianapolis, IN, August 16, 2012, 09:20
 Rookie

Whenever I press on the gas regardless of my speed, a loud rattling sound comes from under the car, usually happens after I make a stop and start to take off again, I just replaced muffler and that didn't make a difference.

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  • Answer #1

    August 16, 2012, 09:46
     Journeyman

    There ma be a loose heat shield or a broken hanger. When the exhaust is cool try banging on it in different spots with the palm of your hand.

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  • Answer #2

    August 16, 2012, 11:38
     Master

    I agree with chevy power but it could also be a catalytic converter

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  • Answer #3

    Greg's Orange Auto (13991 Answers) , Orange, CA - (714) 361-9386
    globalhelper August 16, 2012, 12:32
     Master

    def in exh system somewhere seek est from muffler shop

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  • Answer #4

    August 25, 2012, 10:03
     Master

    Check converter heat shields , they rot out and get loose. Your description of symptom fits that perfectly and is quite common.

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