Ok so in November my radiator literally blew up i do not know how but it did so after that I fixed my radiator started to drive it went a few house down it shut off it was idling around 300 to 600 it only shuts off when its cold outside I live in Fontana ca so cali weather is unpredictable I have a 4 month baby I do not want my truck to shut off on me in case of an emergency so can anyone help me?