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Old 11-19-2011, 12:24 PM
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I just got my 93 xj running today. The problem I'm have is the header is getting cherry red. What would cause that?
Old 11-19-2011, 12:33 PM
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Year: 1990
Model: Cherokee
Engine: 4.0
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could be a backed up cat .... or restriction in the exhaust.
Old 11-19-2011, 12:34 PM
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It has no cat its been chopped off
Old 11-19-2011, 12:36 PM
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But the spark plugs look really bad
Old 11-19-2011, 12:48 PM
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And its still burning off some old gas
Old 11-19-2011, 01:11 PM
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I can start it up and it will idle for a minute then cut off. Then I can start it back up and give it gas and it will start popping and spitting

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