My 94 had the same issue when I bought it, turned out the PO put 8qts of oil in the sump!
I may only have a few posts here, but a lot of experience on others -81, 84, 86 Porsche 928
1929 'A' street rod with a 4.3L V6
98 Land Rover Discovery, 2012 Hyundai SanteFe
Winnebago 2003 Brave 32V, ProLine 21WA boat
oh, and a 94 YJ! All here in Cary, NC