Question about 2003 Dodge Neon
Could be one of several things. First verify that there is not a loose heat shield on the exhaust system that could be vibrating during acceleration and stopping. You can check this yourself by lifting the vehicle(remember to use safety jacks) and sliding under it. Then use the back of your fist and bang on the exhaust pipes & listen for any noise. It could also be the catalytic converter material has broken apart inside and is causing the vibration/noise. This event will usually cause the check engine light to come on...but not always. Also have the exhaust system checked for any broken exhaust pipes or a damaged muffler. Also make sure the air filter housing in the engine compartment is not loose and the oil fill cap for the motor is not missing...These can cause the noise you are describing.
Posted on Nov 14, 2009
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Posted on Jan 02, 2017
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