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the substrate inside is breaking up,your cat-con is shot!!

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Q: What is the rattle noise coming from catalytic converter?
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Related questions

Is it common for a catalytic converter to make a clicking sound?

Sometimes the heat shields around the outside of the converter break loose or rust out and causes a rattle noise.


What are the symptoms of a bad catalytic converter on a 1998 Chrysler Sebring?

Check engine light, rattle noise, low power, change in fuel economy,


Will catalytic converters make a rattle noise?

It shouldn't make a noise unless the holding bracket is busd. If the catalylist inside is broken, it will rattle.


What are the symptoms of a bad catalytic converter of a 1999 Nissan sentra se?

a low whistling noise every time you release the gas pedal usually coincides with a dieing catalytic converter Rattle, check engine light, stalling problems, low power, strange exhaust odor,


What is the clanging noise coming from the undercarriage of my 98 ford contour?

Check exhaust system (hangers) Check heat shield on catalytic converter


How can you tell if your catalytic converter is broken?

most of the time you will smell a rotten egg smell if its bad, or if you hear a rattling noise coming from your exhaust


What if you drive without a catalytic converter?

If you drive your car without a catalytic converter, you can be pulled over and given a ticket. You cannot drive your car with a lot of noise, it's considered a violation of the noise ordinance.


My Toyota Previa as a wineing noise when you accelerate and is getting worse?

Previas have a history of a whining noise coming from the catalytic converter. There is a bracket inside the converter that when loose or has came apart creates the whining noise during acceleration. It especially is very pronouced during high speeds in the freeway. You might be in for an expensive cat converter replacement.


Do you have to replace the muffler if you replace the catalytic converter?

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What are the symptoms of a bad Catalytic converter in a Dodge Dakota?

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What causes rattling noise when accelerating?

Heat shield on catalytic converter? Octane rating of fuel not high enough Timing too far advanced Catalytic converter itself