smoking in the moring

Question by 02yukon Reward: Log in to view Status: Pending a resolution
i just got a 02 gmc yukon i dont really drive it , i have drove it in about 4 days i went to start it up this morning and i notice it blew out a puff of blue smoke , it wasnt a continuous smokin it stopped right away . what could that smokin be ?



Reply from dieselbill User Rating:  510 Knowledge Tokens
most of the time when a vehicle sits and it smokes when you start it, it is caused by the valve seals in the engine. this is pretty common, and doesnt cause any harm. unless it is smoking pretty bad. but in your case i wouldnt worry about it. you can just have the valve seals changed if you dont mind spending the money.
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