Cold morning startup question

[Thumper580]

Say its 35deg, F outside in the morning..... On my M998 the glow plug lights comes on,,,then goes out in the normal time. I hit the key and it turns over, but doesn't light right off. Have to crank it over a second time and then it starts... Is this pretty normal ?? Just checking... Thanks.

 

[papakb]

At 35 degrees it's normal to have to try a couple times. At 70 you might want to start checking things out.

 

[Milcommoguy]

13 degrees last week... Started first time. No fussing, No smoking, No coughing. Diesel "rattle" with cold advance for 10 seconds to a purr.

Who said the desert was hot? CAMO

 

[98G]

Speaking of diesel engines in general, those with an aux heating mechanism as a cold weather start aid can be cycled multiple times to facilitate easier starting.

When it's below 0*F, I cycle the plenum heater in my pickup twice before attempting starting, as a matter of course.

On the HMMWV, I have never had to cycle it more than the first time. It started last year at -6*F after one cycle of the glowplugs.

I suspect you may have a bad glow plug or two. When it starts in the cold does it run with a dead miss for a few seconds?