My van won't start and it has no spark on 2005 Chevrolet Express 1500

My van has no spark and it won't start.

Asked by for the 2005 Chevrolet Express 1500
I agree with greg, also have distributor shaft checked for play, may be just as well off to replace the whole dist. Spark from coil to dist. cap? If so possible rotor or cap problem.
1 more answer
do you have any eng codes? poss ign module