2004 Pontiac Grand Catalac Converter Red Hot Just Changed On Right Feels Spiting

2004 PONTIAC GRAND AM
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catalac converter is red hot and i just changed it and it is on right and it feels like it is spiting and spudering
Nov 29, 2012 at 6:09 PM
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CARADIODOC
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You have a misfire that is putting too much raw fuel into the exhaust where it is being burned in the catalytic converter. That's why the last one melted and became blocked.
Nov 29, 2012 at 8:09 PM
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