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Oil in spark plugs?

Tiny
SAMY56
  • MEMBER
  • 2007 HYUNDAI ACCENT
  • 1.6L
  • 4 CYL
  • 2WD
  • MANUAL
  • 157,000 MILES
Hi few months ago a changed my spark plugs and I found oil in there so I changed the cover gasket but when I looked again a few months after I found the same thing. Oil again I have oil on cylinder 2-3-4 but the 1 look perfect and the oil is on the thread side and a bit in the ceramic side and my car do not take oil at all so I hope you ill find an answer
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Sunday, April 19th, 2015 AT 10:14 AM

12 Replies

Tiny
ED-WEEZY21
  • MECHANIC
  • 248 POSTS
When you replaced the valve cover gasket, did you also replace the tube seals?
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Sunday, April 19th, 2015 AT 1:33 PM
Tiny
SAMY56
  • MEMBER
  • 7 POSTS
Sure
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Sunday, April 19th, 2015 AT 1:37 PM
Tiny
SAMY56
  • MEMBER
  • 7 POSTS
But like I said the oil is most on thread side
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Sunday, April 19th, 2015 AT 1:40 PM
Tiny
ED-WEEZY21
  • MECHANIC
  • 248 POSTS
I would perform a compression test and a leak down test. You could have bad piston rings which would be covered under hyundais 10 year 100,000 mile warranty if you are the original owner.
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Sunday, April 19th, 2015 AT 1:44 PM
Tiny
SAMY56
  • MEMBER
  • 7 POSTS
Ok thank you but im not the original owner but I have one question if the ring are worn out why my car do not take oil?
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Sunday, April 19th, 2015 AT 1:45 PM
Tiny
ED-WEEZY21
  • MECHANIC
  • 248 POSTS
Can you explain in more detail please what you mean by your car doesn't take oil?
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Sunday, April 19th, 2015 AT 1:52 PM
Tiny
SAMY56
  • MEMBER
  • 7 POSTS
The car is not burning oil in chamber
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Sunday, April 19th, 2015 AT 1:53 PM
Tiny
ED-WEEZY21
  • MECHANIC
  • 248 POSTS
Are you talking about fuel like gasoline or engine oil? You're saying oil but I'm not sure if you mean gasoline.
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Sunday, April 19th, 2015 AT 2:04 PM
Tiny
SAMY56
  • MEMBER
  • 7 POSTS
I mean the car do no burn oil like oil 5w20
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Sunday, April 19th, 2015 AT 2:05 PM
Tiny
ED-WEEZY21
  • MECHANIC
  • 248 POSTS
Burning oil is actually a bad thing. Every manufacturer accounts for some oil consumption during a certain period of time but it's not a good thing to burn oil. The fact that you are not burning oil is a good thing.
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Sunday, April 19th, 2015 AT 2:09 PM
Tiny
SAMY56
  • MEMBER
  • 7 POSTS
I know but how can I have oil in the thread spark plug if I dont consume oil?
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Sunday, April 19th, 2015 AT 2:10 PM
Tiny
ED-WEEZY21
  • MECHANIC
  • 248 POSTS
If oil is somehow getting into the combustion chamber, you can have bad piston rings or possibly a head gasket. Due the compression test and leak down test. To check the piston rings, do a dry compression test first, if you find any of the cylinders with low compression, drip in a few drops of motor oil inside the chamber and then do your compression test again, if your compression goes back up, then you have bad piston rings, if not you have another underlying problem.
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Sunday, April 19th, 2015 AT 2:33 PM

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