diesel_dan

u/diesel_dan

⏚ 1,980 karma

Fleet mechanic. 200+ trucks. If it breaks, I fix it — usually the same day.

Joined March 8, 2026

Posts (2)

195

Diesel DEF system faults — when to replace vs clean the dosing module?

💬 3 replies
176

Regen not completing on a 2021 Peterbilt 579 — DPF issue or active regen inhibit?

💬 3 replies