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If the oil is on the tips of the spark plugs, you have a blown head or head gasket. If the oil is on the outside of the plugs the valve cover gasket on that side ids leaking oil...replace the gasket!
As far as I know spark plugs only have a metal type washer to seal, and there is no other oil seal needed. I have know oil to leak from rocker cover and fill spark plug wells, but tis also often covers engine. Burning oil smell couldbe from oil going onto the outside of hot engine. Check oil loss via dip stick. Clean all oil from outside engine to find out sites of leaks. Hope this helps.
No this is not mormal. I am assuming you are saying there is oil on the outside of the spark plug and not on the electrode when you removed it. If you have oil on the outside of the plug your valve cover gasket is leaking. Try tightening the valve cover down ever so slightly. DO NOT over-tighten. If that does not work then the gasket will need to be replaced. Unless it is leaking lots of oil, you may just want to live with it as it is expensive to pay someone to replace the valve cover gaskets.
If the oil only covered the "outside" of the spark plug, it is likely the valve cover seals to which will be carried by most autoparts stores. Replace by using a black silicone to hold the seal in the cover(just a couple of dots here and there to hold it in will do) and this should cure the issue for at least another 60,000 miles. If you need instructons, please feel free to let me know.
idling problems can be many things, but do the basics, tune up, air filter, gas filter, remember the idle is computer set so you cannot adjust it, all you can do is make sure everything is good, like spark plugs, etc. When was the timing belt replaced ? another one that makes timing very off is a leaking valve cover gasket which allows oil into the spark plug tubes drowning the spark plugs causing rough idle, and again if you do a tune up you will discover the oil leak.
your need a valve cover gasket set. It comes with 4 rubber seals for the spark plug tower so oil does not leak on the plugs. Common problem, Simple to fix. Takes about an hour
The oil seal for the spark plugs may need replacing. This requires a little work. You need to take out the cover of the head. Normally you should see the seals underneath the cover just surrounding the holes.
There is an oil seal for each hole for the plugs. This requires a little work. You need to take out the cover of the head. Normally you should see the seals underneath the cover just surrounding the holes.
Can you describe in more detail? Do you mean the 5th terminal on the distributor is actually sparking out? If so do you have any oil leaks surrounding the distributor?
If you can answer this I can probably help:
Cars mileage?
Last time the rotor button was and distr cap was changed?
Have you ever tugged on the spark plug wires while they were warm (a big no no)?
Any previous maintainance which has been recently performed?
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