6.6L Duramax Diesel Cold-Start on 3500HD with High Idle

Got some fresh snow the previous night, and temperatures were hovering right around 25 degrees. Thought it would be a good opportunity to get a cold start video.

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To all the idiots that are saying I don't know how to start my truck or need to let the glow plugs warm up. STOP MAKING RIDICULOUS COMMENTS ON SOMETHING YOU KNOW ABSOLUTELY NOTHING ABOUT. Cold starting my 2015 GMC Sierra duramax diesel at about -20 degrees. Truck was not plugged in and had been sitting 24 hours. Engine all stock.





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