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

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.

by in Indianapolis, IN on August 16, 2012
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4 answers
ANSWER by , August 16, 2012
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.
ANSWER by , August 16, 2012
I agree with chevy power but it could also be a catalytic converter
ANSWER by , August 16, 2012
def in exh system somewhere seek est from muffler shop
ANSWER by , August 25, 2012
Check converter heat shields , they rot out and get loose. Your description of symptom fits that perfectly and is quite common.