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What is the Year, Make and Model?
I see the year make and model, thanks. Does it matter if the engine is cold or hot? How was your coolant level?
If there's a heavier white smoke coming out of the tailpipe, that's usually the sign of an engine problem, typically when coolant/antifreeze enters the combustion chamber because of a bad cylinder, head gasket or another problem that ends up burning coolant.
There are other signs that may point to a problem, including oil and antifreeze mixing and the engine, and oil on the dipstick showing a milky consistency. Also, if you're burning coolant, your coolant level may be low. AT this point I would have a compression test done to see if the problem can be found.
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