Advertisement Video Diesel Exhaust Smoke Colors ByGreg Jones on Dec 8, 2020 Close Video Watch Video Distraction Free Advertisement There’s three most-common colors for diesel exhaust smoke – black, white and blue. They all mean something different in regards to your diesel engine’s operation. Brought to you by AMSOILClick Here to Read MoreAdvertisement Advertisement In this article:AMSOIL, diesel, exhaust Video: 1-on-1 with Alba Colon of Hendrick Motorsports Video: 1,000-HP Big Block Chevy Engine Video: Danny Soliz Says – Tip on Balancing Pistons Video: 1-on-1 with Cynthia Gauthier, Monster Jam Driver Advertisement VIDEOS Watch Engine Builder's latest discussions and explanations. SHOP Shop the latest Engine Builder merchandise. SUBSCRIBE Stay up to date by signing up for the Engine Builder newsletter.