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Old 06-24-2014, 04:47 PM
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Join Date: Aug 2012
Location: stuart,fl.
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need some help

Hi,
I have been getting some error codes about 02 sensor bank2 and cat bank 2 not up to par, but I reset it and haven't had them for about 6 weeks.
but I also hear a rattling noise when I start up the jeep, I thought it was something lose but its not ... I was under when it was idling and the noise seems to becoming from inside the exhaust !!?? near the sensors after a minute or two the noise goes away??

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Old 06-24-2014, 05:24 PM   #2
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Sounds like the "brick" inside of a converter is coming apart. My guess would be bank 2 since that is the sensor that is giving you a code. With the converters cool, try hitting them with your hand or maybe a rubber mallet and see it you hear the rattle.

Also, welcome to the forum.

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Old 06-24-2014, 05:27 PM
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Thanks I'll try that and let you know in a few days
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