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Why is my truck engine smoking?

(1998 GMC Sonoma)
in Tampa, FL on May 23, 2014
i added coolant in the radiator and the reservoir. My oil is low. it starts ok but when i start it starts smoking. i am wondering what do i have to do.
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Popular Answer
on May 23, 2014
Somke or steam?..... Find out where the coolant went!..... May want to get a combustion leak and pressure test's on the cooling system at a repair shop..... Possible head gasket issue!
of Greg's Orange Auto on May 23, 2014
have you ever overheated eng and how many miles on veh?
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