Quote:
Originally Posted by rcdad123
your cat converter is clogged. check ignition system. ignition misfire leads to raw fuel burning in the cat, causing the cat to melt and clog. replace the cat with a test pipe and diagnose the cause of the raw fuel in the exhaust system. do not put a good cat back in till you fix the problem. good luck.
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^this^
Have you looked into the cat being clogged?