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welfare wagon

03-04-2010 03:07 PM

Blue smoke on start up

My 07 Expedition has been blowing blue smoke on start up after it has sat for some time IE overnight or a few days, I know enough about engines to know what that means and whats causing it, has anyone else heard of or had this problem with their engine? Mine has just under 30K and I have change the oil by Ford per their recommendation.

jethat

03-04-2010 03:15 PM

your still under warranty take it in. Make ford fix it. might have a bad valve guide..

arubba

03-04-2010 04:33 PM

I agree,,,, Smoke at start-up is usually a bad valve guide.......

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