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more than likely a plugged cat. converter

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Q: Why does the exhaust manifold on a 89 maxima goes hot to the point it glows after driving it for over 20 min?
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Glowing exhaust manifold code says speed sen and lack of power on a 1995 ford ranger xlt 2.3 litter?

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What makes the exhaust manifold get red hot on a 1991 Lincoln Continental?

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