Is it bad to put 5w20 instead of 5w30?
Is it bad to put 5w20 instead of 5w30? Can you put 5w20 oil in a 5w30 engine? No, your engine will be fine with the 5w-20. 5w20 oil is fairly light oil and is generally designed to work with newer engines. Motor oil has become part of a manufacturers program to allow engines to get higher fuel mileage. What kind of oil does a Ford engine use? Ford WSS-M2C913-B The Ford M2C913-B specification is released in Europe for initial fill engine oils used for lubrication of spark ignition engines using gasoline and for compression ignition engines using diesel fuels....