Should I buy this Suburban?

[rolfsent]

He's says it has idling issues and the mileage is pretty high. Does anybody know what this is? or Should I stay away from this?

http://indianapolis.craigslist.org/cto/2769455767.html

[bowtiefreak]

I'd try to talk to a mechanic or someone to find out what would cause a problem like that. Diesels can be expensive to fix.