The 01 and 02's DO NOT have a EGR Valve.
QUote from 2002 Villager Service Manual:
(Ignition Coil-----The ignition coil is an integral part of the distributor assembly and is serviced as a complete unit by replacing the distributor.)
2002 Online Service Manual link:
http://www.oplin.org/databases/proxy...%2fframerq.asp
enter 123456789 for library card # and submit, it then takes you to a library, click submit, scroll down to Auto Repair Reference Center and click on it. You should have availablity to service manual.