Glow Plugs Cycle After Engine Has Started

[GoremanX]

I don't know if this is normal, and a quick search of the forum didn't yield any answers. When I start the engine for the first time on any given day, the glow plugs cycle on and off repeatedly after the engine has started. They can do this 1 to 5 times or so, and always for just 1 or 2 seconds at a time. It creates quite the power draw each time, obviously. Am I being concerned for nothing?

Thanks,

[DmaxMaverick]

If the glow system is healthy, it is normal, and called "afterglow". If it cycles as much when it's warm out as cold, it may be an indicator of a glow system problem. It is normal for it to cycle once or twice after a start when warm out, and more when it's colder.