Oil is leaking in the spark plugs on my 1998 Chevy Malibu, What might be the problem?

You are getting oil in the cylinder and that is fouling your plugs. I would guess your piston rings are bad letting oil up into the combustion chamber or it is leaking down from the head through the valve guides. Good luck

The 1998 Chevy Malibu does not have a transmission dipstick. Although there is a check plug located on the transaxle, near the pan, adjacent to the engine oil drain plug.

could be crankshaft seal and oil pen gasket.

first thing check make sure oil pan drain plug tight. check make sure oil filter tight. try tighten oil filter by hand see if turn tighten oil filter clockwise direcction if all is good. how many miles on vechicle.could have oil leaks park vechicle in spot that clean.move vechicle see if you see oil spots on ground if yes.your front timing cover seal leaking oil or rear main oil seal ;eaking.or valve cover gaskets leaking.if find no oil leaks more likely engine burning oil.replace pcv valve.check air filter if you see oil in air filter housing either have bad pcv valve or pcv not getting vacuum make sure pcv valve getting vacuum when engine running vacuum should be felt at pcv if not pcv valve bad or pcv hose disconnected broken or plugged.if pcv valve okay engine has worn piston rings.worn valve seals or guides or oil return holes stopped up thats all possible reasons for engine burning oil.if spark plugs oil fouled engine burning oil.

You will need to crawl under and find leak,may just be loose drain plug.Could be oil seal.

check for a vacuum leak, you can do this by having the motor run at idol, and spray some carb cleaner all around the intake manifold, if the RPM's increase that's where your leak is going to be, another thing, did you gap the plugs properly when you installed them, and also check under the distributor cap,, you may see that corrosion has built up on the contact points that the rotor tip hits,, if so just replace the cap and rotor

Have you checked the oil? Sometimes the shops don't get the drain plug in tight and the oil leaks out. Or the oil filter is not put on tight and leaks all of the oil out. I would check the oil. Walmart did it to my mothers car once. They replaced the motor, but that is what happen.

the valves are hydralic and require no adjustment. if noisey then a bad lifter/rocker arm/cam shaft may be the problem. also low oil level,or foamy oil from to much oil or a leak in the oil pump pickup system could cause noise

buy some engine oil dye at any auto parts store
a uv lamp will be needed to use to locate the leak
this works best with newer cars and so many things in the way

its possible that your intake manifold is leaking down onto the spark plugs causing the problem to check pull a spark plug out and see if the tip is covered in oil