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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2015 Duramax Diesel Cold Start -20ºF
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.

DURAMAX Cold Weather Start ??
Duramax in -12F temperature attempting to start. Will it ?? This Video was made in the freezing cold and is unedited for authenticity, so please excuse the wind noise and the door chime of the truck. I wanted you to see it like it is!

Cold Start 2002 Chevy 3500 Diesel LB7 DuraMax
Cold Start of Chevy Silverado LB7 DuraMax with bad glow-plug circuit.

A hard cold start on the Duramax.