ok this is getting annoying , my truck , 89 wagoneer keeps eating tps . i have gone through 4 of them in less then 2 years , does anyone know what would cause them to prematurly go . this is going to be the 5th one . its got to the point where i have to keep one in the truck cause i know i am going to need one on the road at some point in time . has anyone ever had somthing like this happen ? its really pissing me off .