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I had the internal ceramic grid in the catalytic converter disintegrate into small pieces and go into the muffler. It would drive about five miles and then the check engine light would come on and loose power. It was a bear to diagnose.

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โˆ™ 2008-12-02 10:55:26
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Q: Why would an engine lose most of its acceleration power after about 15 minutes of driving?
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