Luigytico09

I have a camaro 85 irocz tpi and it Pop code 15 and when I'm driving when I slow down to a stop when I will take off car randomly die on me and it does it few times but only when I'm about to take off and not when is on park idling I basically swap the entire engine put all new and it used to drive find but few days a go check engine light won't go off someone may know if code 15 has something to do with the car acting that way it don't have any more codes and tempeture works fine it won't over rich the gauge and I'm trying to sell it but I need to fix that problem before I sell it thank you