I have an 1991 toyota camery v6 great it has over 200,000 miles i changed both head gaskets about a yr and half ago. the oil's fine checked that a week and a half ago.. heres my problem.. i noticed when i make a quick stop when i'll be going 35 or slower the car hesitates like it's going to die and usually it died's almost like i stalled the car with a small smell of burned rubber put the car on park then start up again and it's fine.. but, today i was driving it stopped once i was on e no gas. but it's not why it died lol. turned it back on did fine as i pulled into my drive way backed the car up and opened the door and smoke light grey smoke was coming out from under or the left side of the car i really dont know what part though it had a smell like burnt something.. it was smoking for maybe 2 min's max.. what can it be help dose anyone know..?