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The CEL on the '97 Expedition indicates a combustion problem, for instance a fouled spark plug or faulty o2 sensor. To find out exactly what problem it's indicating, you'll need to go to a mechanic with the proper computer to read it.

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โˆ™ 2006-04-06 03:37:52
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Q: What problems does the Check Engine Light indicate on a 1997 Expedition?
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