Same thing happened to my previous Xtrail. Nag halo yung tubig & langis. Nag kulay cappuccino. Cost me around P50k for the top overhaul.
sir wala sign ng oil/water mix up. check ko yung sockets ng spark plug walang sign na basa. yung coolant reservoir malinis, redcap wala rin sign ng oil. takip ng engine wala rin ibang mixture or signs na kakaiba.