Sporadic check engine light in 1994 Escort

I have a 1994 Escort (1.9 Auto). Lately the check engine light has been coming on sporadically. Car seems to be running fine. Fluids all at correct levels. Any ideas?
Bob
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The car is 10 years old. Unless it stays on constantly, forget it.
Jeff

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Jeff opined in

bullshit. why ignore a fixable problem!
the problem is likely related to the EGR system.
But there will be more descriptive details surrounding the light coming on.
i mean pay attention next couple times it happens. what else is going on and where and at what speed.
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