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If you mean spark plug tubes you may need spark plug tube seals, they go on the inside of the valve cover. They are tricky to install, you have to make sure the lips on the seals don't get pinched as your reinstalling the valve cover and then you need to get a thin blunt tool to work the lips of the seals around the spark plug tubes. Once they are seated correctly torque your valve cover to spec. Hope that helps
you got oil leaked down the plug holes from the valve cover you will need to buy a tube of ultra grey silicon . try this take all plugs out wash them with carb spray wash the spark plug holes out with rag twisted onto screw driver and gas ect ok when dry put a little smear of the ultra grey onto the spark plug threads near the center of the threads all the way around then screw plug into hole let it dry do all the plugs this way it should top the miss if it come back and theres more oil in the spark plug tube hole youl have to take the valve cover off and clean the gasket with gasoline or carb spray dry the gasket off then clean gasket groove on pan and dry it with rag (tee shirt) put a smear of the ultra grey silicon (get at autozone ) all the way around the gasket both sides wash the head where the gasket go's (seals)with gas or carb spray (also nail polish remover ) put valve cover on see that the gasket is in place proper befor tightening the cover bolts
valve cover spark plug grommets need to be replaced. purchase valve cover gasket set should be under 30 bucks depending what engine u have sohc or dohc. If this does correct oil issue to your spark plugs, then u have a much greater problem. bad rings and should rebuild motor
check and make sure you have plenty of fuel in the tank. gas light should not be on as long you have plenty of fuel in the tank unless you have faulty fuel level sensor. check if you getting sparks and fuel, pull wire and one plug out, ground it to the vech have a friend turn over the engine and see if you getting strong sparks. no sparks check coil having 12V, good coil, cam sensor faulty. check if you getting fuel, pulling hose from the fuel filter line, point it down ward wrapping the end with clothes covering the hose and turn the engine over, see if you getting proper fuel and good pressure coming out of the line using your thumb slightly cover the fuel line. no pressure or fuel, check the fuel pump, good pump, faulty crank sensor. both crank and cam sensor work the same way, one telling computer to send sparks to the plugs and other turn on the fuel pump.
The oil at the spark plug end of your wire is caused by O ring gasket seals that can be bought in a kit for about 20 bucks-valve cover gasket replacement kit. When you remove the valve cover, you will see one for each spark plug hole. They may be melted to the valve cover and need picked off with small screwdriver. After this remove spark plugs to get rid of residual oil. This may be shorting the spark to the engine instead of letting it go through the plug since electricity always looks for the path of least resistance(conductor).
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