MizMaggie, I'm assuming your Van has electronic Fuel Injection. (not a carburetor)
But I've had very little trouble our of mine for nearly 15 years. Just a few little things that I could replace the parts easily enough and they weren't expensive. I've spent most of my time and money on making a cheap RV out of it like in the Van Conversion site below in the signature line.
One of the handiest things I've installed was a wooden custom Van accessory I found in a wrecking yard. It mounts atop of the inside engine cover. You may already have one of these, but if not you may find it handy. There isn't a lot of storage space for small things in the front of Vans. But these are nice organizers for Maps, Cells, beverage cups, coin purses, sun glasses, small flashlights, and so forth. I think you'll understand once you take your first "shakedown" tours to get some experiences with your rig. I don't put anything on the dashboard between the windshield and dash.
I've read where mechanics have had to pull the heater fans & motors only to find spare keys, lipstick tubes, and other small trinkets which would fall into the defroster vents and foul the blower fan leaving the rig without it's heater/defroster. Cluttered dash boards often attract law enforcement's attention too. So I travel "neat & clean" and rarely have any problems. I always suggest finding a bumper sticker that deals with an Aircraft Pilots Associations, Country Clubs, Yacht Marinas, Horse Farms, or Vote for Judge Pick A Name, and such things as they suggest the owner of the vehicle is of means and that tends to dampen the LEO's intrigue for meddling with the owner/driver.