It could be a failing ignition control module. GMs
from this period were prone to that. When it refuses
to start, remove one of the spark plug wires at the
spark plug, leave the other end hooked up, stick a
large screwdriver in the end of the spark plug wire
and hold the metal part of the screwdriver close to
something metal that's not painted. Be sure to hold
the plastic or wooden handle of the screwdriver so
you don't get a shock! Have a helper crank the
engine. As the engine cranks over you should see a
strong spark and possibly hear it too. Like a SNAP,
SNAP, SNAP sound. If not you have no spark the
ICM is my first suspect. But if you think it's flooded
with gasoline hold the accelerator pedal to the floor
while cranking. This puts the computer in "clear
flood mode". Is the service engine soon light on? If
so do you know how to get the trouble codes out of
the computer? It's OBD I and you can use a paper
clip to get the codes. Hope that helps! Jim
