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Discussion Starter #1
i have a friend with a 05 focus D-Tec that has its own smoke screen when u punch the gas it smokes the whole block out, and i also noticed that it has alot of oil in the tail pipe, the only thing i can think of is that oil is leaking into the cylinder from the head, has any one else had this problem or might now what the problem could be???????
 

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Bad rings, bad valve stem seals, really bad head gasket, or cracked block/head. One of those. Either way you swing it, its gonna suck.
 

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Discussion Starter #3
how do i check to see which on it is???????
 

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Unfortunantly with internal oil leaks your kinda stuck with tearing into it to see. Some cars its easy to replace the valve stem seals to eliminate them as a possibility but not on the 05 Focus.

My gut feeling however is bad rings since it happens a lot under heavy engine load.
 

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Discussion Starter #5
ok thanks guys
 

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With that much smoke I wouldnt guess it to be valve guides

I would do a compression test / leak down test I would say you have some piston/ring damage and compression/leakdown would confirm this

Tom
 
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