service engine soon light came on, what does it mean? on 2003 Ford Explorer

The service engine light came on this morning, i have around 130,000 miles on my explorer. I do not know what this means?

by in Cullman, AL on November 18, 2010
1 answer
ANSWER by , November 18, 2010
put on a computer if what is problem it probly egr valve insuffin vac