1992 Chevy Blazer 1992 Blazer

Engine problem
1992 Chevy Blazer 200000 miles

I have a 1992 Blazer, and all of the sudden it won't start. It carnks fine, and there is fuel getting to the engine, but it simply won't fire. I got a code from the engine light, something like -. What does that mean? Anky help would be great!