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you will smell rotten eggs all the time when u r driving around

You will get a "check engine" light. On 1996 and newer cars there is a plug near the drivers seat you can plug a cheap device into and it will tell you what "codes" the computer is giving. Google "car chip" Very interesting gizmo

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If the cat is way far gone the engine will run poorly. Stalling, sputtering, hard starts, not start at all, backfire. You may actually not even get a code other than misfire or knock sensor which are symptomatic not fundamental to the problem.

If a cat has failed it needs replaced. There is no repairing a cat.

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Q: How can you tell if your catalytic converter is going out?
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replace sensor,catalytic converters smell like rotten eggs when going bad


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what is the surface area of a catalytic converter


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There isn't gold in a catalytic converter.There isn't gold in a catalytic converter.


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