No, not with ultra low sulfur diesel, it lowers the cetane ratings in our test. The cetane rating is already lower in low sulfur diesel compared to older diesel fuel which had a higher cetane rating which was ok to ad transmission fluid.

All diesel fuel is now ultra-low sulfur diesel fuel, if you engine was build before the mid 2000s then you need diesel fuel additive to add some of the lubricity back to you fuel system, to protect the injectors and pump.

All oils have additive packages in them from the oil company. The additive companies do not know what oil you are using, and then you are adding additives that can sometimes counteract and have a reaction. If you are going to use oil additives or any extended oil service we recommend an oil sample. See…