I changed my sparkplugs about 3 years ago and found oil where the coilpack sits in cylinder 6. I cleaned the oil out and thought maybe it was just an anomaly and maybe would not happen again. I am now getting a misfire on cylinder 6 and I'm deciding to change the plug and coilpack and figure I might as well address the oil leak issue. Does changing the gasket alone fix it or is there more to it? 03 coupe 6mt

 

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Short answer, might as well just buy a new valve cover for that side. Tube seals aren't as easily serviced as other vehicles