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Originally Posted by G35er4life
I had the same oil issue when I replaced my plugs last weekend, except I had oil in BOTH far spark plug holes. I am guessing those are plugs 1 and 6. My valve cover gaskets have never been replaced and I am out of warranty since my car was manuf. in 2002, I forgot which month.
Let us know what the dealership said and what the significance of this is. My brother's Maxima has had oil leaking in there for the past 60k miles he has owned the car and it's just sitting there. His is a 2003 Maxima.
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The dealership replaced the valve covers; the spark plug tube seals were busted, that's why oil was collecting in there. If enough oil collects in there, it will leak down into the spark plug tube(s). If the oil gets down there and gets on the firing end of the plug, it will foul the plug. Also, by having oil in there, it can cause problems in the ignition system if oil is coating the plug. Additionally, the oil will degrade the rubber coil pack(s) and foreign matter can easily be introduce into the clean oil supply.