Question about 1993 Toyota Previa

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Oil around the spark plugs

Oil coming out from around the spark plugs somewhere but not from the cylinders

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This is likely your spark plug tube seals. They come with valve cover gaskets because you will need to replace both in a job. You should also probably replace the spark plugs themselves, as the ends are probably fouled.

If you are interested in doing this job yourself, I would suggest going down to your auto parts store of choice and purchasing a repair manual for your car. Haynes is the book of choice, typically. It will show you pictures of the valve cover being removed.

Posted on Oct 25, 2012

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Posted on Jan 02, 2017

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SOURCE: I have a 2000 toyota camry 4 cylinder and there is

There are two seals, the crankshaft seal and the camshaft seal. I would change both while i had it tore down that far.

Posted on May 16, 2011

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Spark plug in cylinder 1 not firing. Does anyone know the problem?


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Misfire due to oil leaking into spark plug. burnt oil smell


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Oil leaking into cylinder


"leaking into the top of the second cylinder on top of the spark plug wire
only this matter !! cure that.

some engines have spark well. are you saying the wells fill with oil?
if yes, you didnt buy a real valve cover sit, try FELPRO that
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Oct 25, 2012 | 1993 Toyota Previa

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Are the upsteam or front O2 Sensors over 100,000 miles

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I have a 92 Honda Accord, what causes oil around the spark plug. and how do I fix it. Would it also mke the vehicle run bad?


1. Worn or broken rings on that cylinder
2. Valve guides or seals worn on that cylinder
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1 Answer

There is engine oil in the spark plugs 3 of them,


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Changed plugs, excessive oil in 2 & 4 cylinders? Why??


The wording of your question is a little confusing. But, if you have any oil on your spark plugs, it means oil is leaking in from a bad seal. If your spark plugs go through the valve cover, then the seal under the valve cover may have gone bad. If you mean there is oil burn on to the spark plug, it could mean that the seals around your valves have gone bad and are allowing oil into the cylinders; you could also have bad rings on the affected cylinders and they are allowing excessive oil to come past the piston. You can usually see blue smoke coming out of the exhaust as well as the oil cap if this is the problem.

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