Lots of white smoke upon starting, poor performance after warm up. on 2002 Ford F-350 Super Duty

Recently purchased this and ran great for the first week, now when starting it will have lots of white smoke, takes about 30 minutes to stop smoking/warm up, then when driving it seems to have no power. When it does finally get going, the automatic gear changes jerk really bad.

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1 answer
This is not a good sign, especially if you just purchased the truck. Take it back to where you bought it if possible, this sounds like a blown head gasket.