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  • avatar patrick88 08/03/08 10:42 pm PST

    The fouled or burnt plugs contribute to the clogging of the cat. When you say burnt out are they white/ashy looking? How are the gaps?
    I'd go ahead and replace them and then after that look at replacing the cat. If you aren't sure about the cat, have a back pressure test done on it. But with the symptoms you've described I'd bet its the cat. But get it checked prior to replacing.

Answers

  • patrick88 08/03/08 10:42 pm PST

    The fouled or burnt plugs contribute to the clogging of the cat. When you say burnt out are they white/ashy looking? How are the gaps?
    I'd go ahead and replace them and then after that look at replacing the cat. If you aren't sure about the cat, have a back pressure test done on it. But with the symptoms you've described I'd bet its the cat. But get it checked prior to replacing.

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