Cold, but why hard to start?

/ Cold, but why hard to start? #1  

Rhino35

Silver Member
Joined
May 28, 2013
Messages
156
Location
Independence, KY
Tractor
2013 Kioti DK 40 SE Hydro and two Cub Cadet riding lawn mowers
Got out a couple of weeks ago on my 41 HP Kioti DK40 HST and used the FEL to plow our long shared gravel driveway - thanks for the FEL plowing advice in another thread.

This tractor always starts immediately when I turn the key (after watching glow plug "heated" light come on) and this morning inside my detached garage it was 40 degrees. I'd been out there in 5 degree F weather, with wind chills to -5 degrees, for 45 minutes moving snow when I shut off the tractor for few minutes to help a neighbor with his stuck car. It started normally. Couple more short shutdowns and normal start. Then, after the engine had been off for about 10 minutes, it would turn over and light off, but then immediately quit. Only by moving the throttle from idle to a higher RPM position did it catch and run - and then it ran normally. I didn't try a restart again.

So the engine was warmed up, but could the ambient cold have affected the fuel supply/system? The diesel fuel was Kroger brand commercial diesel fuel I'd bought in October. I think the tractor is in good shape - 500 hours since new - always garaged and in winter kept at 40 degrees (or higher).
 
/ Cold, but why hard to start? #2  
Power Service diesel fuel additive and maybe bad glow plug(s)?
 
/ Cold, but why hard to start? #3  
5 degree weather with October treated fuel could of very well started jelling in the cold temps.
 

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