Hello , I have Question for you guys, i have a F-150 98 165,000 milles but my problem became last month when i tried to do the oil change, The mechanic told me that i have a oil/water mixture all over the oil cap and he told me that could be a mayor engine repair but the funny part is my water is clear and my oil it's the same no mixing in the engine at all , I replace the valve cover gaskets , the pvc valve and the intake gasket but the problem came up again. the test the truck with the computer and it just show a have 3 oxigen sensonrs bad my engine is running to lean. This could be the problem of that mixture on my oil cap ????
Please help.
By the way it never overheat and runs fine
Please help.
By the way it never overheat and runs fine
Nov 4, 2008 at 10:41 AM