Do I Need Fuel Additive in My 3.0 Diesel?
Do I Need Fuel Additive in My 3.0 Diesel? By Ryan Green, Marketing Director — Weld County Garage GMC | Updated July 2026 You just spent serious money on a truck with the 3.0-liter Duramax diesel, and now you’re standing in the parts aisle at the auto store staring at a wall of bottles —…