6.6 / 10 Acciгіnmist... May 2026

Put the truck in Park (P) and keep the engine idling.

Use the steering wheel buttons to scroll through the DIC Settings Menu . Select "Exhaust Cleaning": Follow the prompts to "Start." 6.6 / 10 AcciГіnMist...

Exhaust gases can reach over 1,000°F (537°C) during cleaning. Keep people and pets away from the rear tailpipe. Put the truck in Park (P) and keep the engine idling

The "6.6 / 10" in your query likely refers to a specific step or status in the diesel particulate filter (DPF) cleaning cycle or a rating of the engine's performance. 🛠️ 6.6L Duramax Exhaust Cleaning Guide 6.6 / 10 AcciГіnMist...