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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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 3, 2012 at 12:48 AM
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FIXITMR
  • ✓ASE Certified Mechanic
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did you pull plugs to see which ones are black?
Jan 3, 2012 at 12:55 AM
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