"service Engine Soon " 1988 Coupe

[dwm]

I have a Coupe with a little over 76000 miles when I started it up today the "service engine soon" light came on & stayed on. What do I need to check & how do I turn it off ?

 

[JonM]

Get your paperclip ready...

http://www.c4vettes.com/ecm.htm

 

[dwm]

The light has gone off, should I still check or could it be a one time thing?