Tip & How-To about 1994 BMW 3 Series

Oil in spark plug

If you find oil in your spark plug well, most likely cause is that your valve cover gasket is leaking.

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oil-leak on spark plugs


Oil leaking on the spark plugs is caused by a defective valve cover gasket, remove and replace the valve cover gaskets.

Mar 22, 2011 | 1989 Toyota Cressida

2 Answers

cause of oil in sparkplug tube?


1.your valve cover's spark plug chamber seal is leaking. Which requires removing the valve covers and replacing the gaskets and seals. 2. Excessive oil spills on to the valve cover and ignition coils when adding oil.

**This excess oil on the plug boots can cause the coils to short and eventually fail.

Apr 20, 2010 | 2001 Lincoln LS

2 Answers

changed the spark plugs and the old ones were covered in oil


i'm guessing that your car is a 4-cylinder. this is common for inline 4-cylinder engines. since the spark plug holes usually go through the valve cover, the valve cover gasket will leak and collect in the spark plug holes. to fix this you will have to replace the valve cover gasket.

Mar 23, 2010 | 2000 Saturn SW2

4 Answers

oil around spark plugs on 1992 honda accord


Yes the oil can cause the car to lose spark, the oil leak could be caused by the valve cover gaskets around the spark openings, but 9 times out of 10 it is the spark plug tube "O" rings. The top of the valve train comes off of the head, the "O" rings are between the two halves, that will fix the oil leak.

Apr 01, 2009 | 1992 Honda Accord

1 Answer

Spark plugs


Who ever told you it was the Valve cover gaskets was correct. On the valve cover gasket around where the spark plug goes down though the head there is a seal made onto the valve cover gasket called the spark plug well seals. when replacing the valve cover gasket it will come with these seals and it will take care of your oil leaking into spark plug holes. Hope this has helped and if you need anymore assistance I would love to help.

Sep 11, 2008 | 1994 Lexus GS 300

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