hi all were new to the forum, just got my self a fiat ulysse 1998 2.0l petrol, need a little advice as its got a problem, looking in the oil filler on the engine its thick with mayo could this meen my head has gone, she dose'nt overheat, loose power or water, no nasty smoke out the back, theres no oil in the water but there is a little water in the oil, any advice