Map sensor

I have 1996 Dodge intrepid 3.3L engine. It started to buck while driving and cutoff. I brought it to autozone to hookup there machine and they got P1296 code meaning no 5vt. to map sensor. How do I check to make sure it’s the map sensor that is bad? Thanks.

http://www.autozone.com/shopping/repairGuide.htm?pageId=0900c1528006ab35