Hey, everyone, my 85 1.9L died on the highway, and I can't get it to
restart.  I'm rather confused as to what the cause might be.  (though
I also, just after this occurred, got the replacement AFM that my
boyfriend had ordered from Bus Depot, and swapped it out because I was
a fool and thought that it was the AFM more than anything else.)

The fuel pressure is good.  I'm not sure about the timing (and I don't
have a timing light available).  What's the best way to check the
spark?

I also just replaced the battery -- the one I had wasn't the right one
for the van, and I'd drained it while trying to restart it.  I've run
a couple of attempted-start cycles on the new one, but I've not worn
it down.

What kinds of things have caused other folks' vans to die on the roadway?