Hey I question I have a 2004 Suzuki Verona my car will shut off when I’m at a stop light but it…

Hey I question I have a 2004 Suzuki Verona my car will shut off when I’m at a stop light but it easily crank back up sometimes while I’m driving it seems to like it want to cut off on me like I’m running out of gas and there no lights on n bucks got white light smoke out of muffler and drive sluggish

light smoke is either a blowing head gasket or an engine burning some oil. do this video, and if it's positive, get rid of that bad boy FAST https://www.youtube.com/watch?v=QA7KVQq9vKA

But if it blown will it cause to overheat? Cause the temperature stay in the middle

false