Used 1999 jeep Cherokee?

I also have a 98 GC 5.9 and love it. Sorry to hear about your trouble. If you bought it from a dealer you should have NO problem getting your money back. If they can't fix it properly to your satisfaction then I would think it would fall into the "Lemon" category and I'm sure they don't want to get into that if they have any credibility to their name. Good luck but again, one day? Come on they've gotta make it right!