have a 2002 v6 chevy s10. leaks oil through one of the spark plugs. what causes this and how do i repair it?

2002 CHEVROLET S-10
12,000 MILES
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GOCHEVY123
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  • 1 POST
blows black sooty substance out of rear tailpipe when starting. Uses about 1 quart of oil every hundred miles. Never sees oil on ground. Seems to be leaking through a spark plug.
Jan 2, 2012 at 4:48 PM
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FIXITMR
  • ✓Experienced Mechanic
  • 9,990 POSTS
did you pull plugs to see which ones are black?
Jan 2, 2012 at 4:55 PM
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