Diesel Bombers - PUFF and blue smoke on start up

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Kidoo

11-21-2011 07:58 PM

PUFF and blue smoke on start up

Hi, I have a 2001, 24 valve that started puffing a blue smoke on start up when cold weather. Someone says it could be dirty injectors leaking fuel and says to use some additive cleaner and see what happen. It runs great when warm and does not puff any blue smoke after.
Could it be valve stem?

What is a pop test, why do you do it, how to you cure?

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