I am having an issue starting. Seems to be a spark problem. Second issue

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Okay...so two weeks ago I received this van from a friend. It has been sitting since july 2014. I was driving from Cocoa Beach, Fl to Jacksonville, Fl...the van died after about 120 miles. All symptoms pointed to a fuel problem. Well I played the throw parts at it until it runs and this is everything I did to it, all new parts: fuel pump fuel filter fuel pressure regulator egr throttle position sensor spark plugs and wires distributor cap and rotor o2 sensor Fuel pump was last thing I did. After doing the fuel pump, the van fired up and ran great. I ran the van for about two weeks, until yesterday. As I was going down the road, the van started jerking and trying to stall out like it did last time. It finally stalled out and would not restart. I tried to restart too much and drained the battery. Called tow truck and had it brought back to the house. Charged the battery over night, then this morning turned the key to see if I hear the fuel pump. I hear it just fine. Took off the air cleaner to see if fuel was spraying from injectors and it sprays fine. A mechanic friend of mine (actual owner of the van) said check for spark. I took off a plug wire and put a tester on there and had no spark. Since I had already changed out distributor cap and rotor, I figured, why not change out the ignition coil. So I did that today and just to be safe, I put in a brand new battery. The van turns over, but still not start and it appears no spark either based on spark tester. Definitely need some help here now. Thanks...when I figure out exactly what the problem is via your suggestions, I will post an update.