1994 Ford Explorer Q&A

1994 Ford Explorer Question: check engine light stays on, won't pass smog help

check engine light has been on/off for the past 4 years. It was smogged in '10 even though ck.englt came on. It runs just fine. I am limited $$ and need to know what I should do first? I don't know that much about repair work. Please advise. Thanks 95945 deb.athome@hotmail.com -
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