I just bought a mazda protege 1994, 200.000 miles. and when i start it, it has white smoke come from the catalic converter, and it comes up into the engine and out through the muffler. i dont know if i need a catalic converter or there is coolant in my exhaust. or my head gasket is out. my friend says he thinks its the valve seals i really dont know about cars can u please help me. and it runs fine and the engine light does not come on. thanks for your help.
Jul 3, 2007 at 6:22 PM