hi guys just looking for a bit of help my 00 plate vtr has been revving weird las cple days sort of spluttering at low revs i had a quick look around the engine and all i could see was an oil patch on the bottom of the air filter (which is not standard) ive heard this could be head gasket or a pcv valve??? i havent got great knowledge of mechanics can any one offer any answers on what this could be please???
oil patch on air filter
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#1
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#2Check you breathers arent clogged up, are set up properly and give everything a clean