DPF and EGR OFF: Real-World Owner Experiences With Saab Diesel Engines
Many Saab 9-3 diesel owners—especially those with TTiD engines—opt for deleting the DPF and EGR to eliminate limp mode, improve throttle response, and avoid costly repairs. Based on forum insights, this article explores the most common benefits, potential issues, legal risks, and why opinions remain divided on this controversial mod.