cel comes at 60 mph after having the egr tube replaced

My 92 marquis cel never came on until I had the egr tube replaced. Now it comes on at 60 mph. Help!

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so whats the code????? KB
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On Thu, 25 Feb 2016 15:48:20 +0000 (UTC), Kevin Bottorff

be a bit different - - - -
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On Thu, 25 Feb 2016 05:17:48 +0000, kimberlyt

Why was the EGR tube replaced?
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