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oil on spark plugs

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Old Apr 5, 2007 | 06:25 PM
  #1  
famous's Avatar
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Default oil on spark plugs

i just changed my spark plugs and #2 and #4 has oil on them what is that from and how can i fix it
 
Old Apr 13, 2007 | 06:24 AM
  #2  
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Default RE: oil on spark plugs

Better fix it immediately, because when my friend had taken for granted the oil in the spark plug of his jeep it cause some serious problem in his Jeep starter. His mechanic told him that oily coating caused by poor oil control. Oil is leaking past worn valve guides, piston rings, or on some race engines a possible intake gasket leak and then entering the combustion chamber. Try checking for worn valve guides, intake gasket sealing alignment, as well as worn cylinder walls and piston rings. A leak down test is a good place to start for what is causing this... Goodluck...
 
Old Apr 19, 2007 | 03:52 PM
  #3  
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Default RE: oil on spark plugs

ORIGINAL: moonz

Long-term solution...new valve-seals, or maybe a ring-job...short-term solution...shorter reach sparkplugs that don't get as wet with leaking oil as ones that protrude further into the cylinders.
Not sure about the PCV (positive crankcase ventilation) system on these cars, but if you have a bad PCV valve, it can cause the same thig.
I'd hate to see you do "new valve-seals, or maybe a ring-job" when it may only be a bad ($3.00) PCV valve or clogged hose.

 
Old Dec 5, 2008 | 12:41 AM
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Default RE: oil on spark plugs

how much oil?
enough to foul them
 
Old Dec 5, 2008 | 09:05 AM
  #5  
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Default RE: oil on spark plugs

ORIGINAL: Michaels10

how much oil?
enough to foul them
The original question is over a year and a half old:
ORIGINAL: famous
oil on spark plugs - 4/5/2007 7:25:46 PM

i just changed my spark plugs and #2 and #4 has oil on them what is that from and how can i fix it
 
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