i just bought the car and i think i have a blown head gasket i tried starting it and it wouldnt it smoked really bad white smoke so i took my intake off and checked the throttle body and injectors all fine then put it back on with the top part off tried to start it and it did. then i shut it off and started again checked mass air and it stutured and blew oil threw the throttle body i think it could be blown head gasket???? please help spent to much money to be told i have to buy a new one anything helps im not a mechanic thank you very much