Puffs white smoke only when AC and is running

[Stroke2broke]

Only when the AC is running the truck will puff white smoke.

 

[BS Hauler]

Since the AC puts a little more load on the engine. Try putting it in gear and hold the brake if it is an auto and see if it does it. Might be turbo seals.

 

[Stroke2broke]

Yeah that is when it does it. Need to rebuild the turbo then? But it is not all the time. Just one day it did and now it doesnt