Category: Uncategorized

Let’s take a look at the 6.7-liter Cummins pre-heat time chart below to see how long the grid heater kicks on.

A grid heater is a simple but powerful component designed to help diesel engines start in cold weather. Unlike gas engines, diesels don’t use spark plugs — they rely on compression and heat to ignite fuel. When temps drop, ignition can be tricky. That’s where the grid heater comes in. It’s essentially a metal heating…