How cold does it have to be to plug in a diesel truck?
How cold does it have to be to plug in a diesel truck? Most experts say that you should plug in your car when the temperature gets to about -15° or -20° degrees Celsius. If you have a diesel engine, though, you may have to plug in the block heater at a warmer winter temperature. Diesel engines can be harder to start in even slightly cold weather. Do you have to plug in diesel trucks in the winter? Winter time is here and along with the beautiful snow comes frigid temperatures, temperatures low enough to do damage to vehicles or...