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Fuel going into bank 1 cat

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Just replaced bank 1 cat and it showed an orangy color on cat why.
Vehicle: 07 jeep grand cherokee laredo 3.7

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HI there

If you have a skip or a misfire, then you have raw gas going in there and it will overheat. Otherwise, it's not unusual for them to get hot, they burn at 1200 degrees F

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the ck engine light is on , the code reads P0172 which says Bank 1 too rich
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