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Runs rough but seems to be better after oil and filter change

Tiny
DCSAUTOREPAIR2
  • MEMBER
  • 2002 FORD WINDSTAR
I have a 2002 ford windstar se van with a 3.8 v6. Water seeps into the cylinders and oil. It runs rough at idle. Could there be a chance that the plastic upper intake manifold be defective like the gm 3.8 v6? This vehicle has 176,283 miles on it. Water seeps into cylinders and/or oil. Runs rough. Slight improvement with idle after oil and filter replacement.
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Thursday, May 17th, 2012 AT 12:31 AM

2 Replies

Tiny
CARADIODOC
  • MECHANIC
  • 33,752 POSTS
If the coolant level in the reservoir is going down, suspect a leaking head gasket.
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Thursday, May 17th, 2012 AT 12:40 AM
Tiny
DJCL
  • MECHANIC
  • 767 POSTS
That engine had a lot of head gasket problems. Have a cylinder leak down test done. It will confirm the problem. There were a lot of problems with the gaskets.
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Thursday, May 17th, 2012 AT 12:46 AM

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