Oil on spark plug, slight misfire on idle

[KierranD]

Was driving a 130 round trip yesterday and on the way back I decided to stop for a break and on idle i noticed it was misfiring a little bit, was fine driving back the next 50 miles and got home safe. So I decided to check the spark plugs and use a wire brush on them. I noticed on the second one that there was oil lagged on the plug " the side the in inside the engine " so I cleaned them all up and started the car and it's still the same. I will go and buy some new spark plugs tomorrow and see if it works, but still not sure on why there's oil on it.. There's no sign of smoke when first start up, or when driving. So not sure what it could be. It's having a new engine in the next few months so not to worried. But don't want it to pack up on me in the mean time.
Any help would be great
Thanks


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