Has anyone found a supplier for the VSV valve and EGR Transducer for a '94 3.2L Rodeo? The manufacturer is Denso. I've tested each of them per the Chilton's manual and they don't pass thier criteria, so I guess I need to replace them.

I'd bet that's going to be a dealer only item. I'd try St. Charles Isuzu. You dont hear too may EGR issues with the pre 1998 3.2's. They switched to a (GM) "feedback" EGR setup on the 1998+, where everything is built into the EGR valve itself.
G/luck
Joel

Hey try this place first........... http://allhyundaiisuzuparts.com/
I bought an EGR valve for my 1999 Rodeo from them for less than half the cost of new! Fixed my Check Engine Problem. I paid like $70.00 for the thing with shipping i think.... Good luck