"Wait, warming engine" light
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Tuned
Joined: Jul 2010
Posts: 299
Likes: 5
From: Northwestern Ontario
"Wait, warming engine" light
This morning it was -35c (about -30F). I had my truck plugged in. It started very easy, and when started it I got a "Wait, warming engine......15 secs" light came on. It was on for the 15 seconds, and then said "OK to drive".
Boy, I bet it warmed up alot in those 15 seconds....
This was the first day I had not used my remote start because I wanted it to run for about 1/2 hour before leaving for work.
It was probably just the oil pressure coming up....and the light goes off.
--
Gordon
Boy, I bet it warmed up alot in those 15 seconds....
This was the first day I had not used my remote start because I wanted it to run for about 1/2 hour before leaving for work.
It was probably just the oil pressure coming up....and the light goes off.
--
Gordon
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Joined: Aug 2003
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From: Isanti, MN
I'm pretty sure this has to do with the engine protecting itself against low oil pressure.
When it gets that cold the oil is thick enough that it takes time to build pressure at the heads. I believe this ensures a long enough time idling to make sure no damage can be done.
This is another example of why warming the engine is unnecessary in most cold weather. It took -32° F for the truck to say that it needed a bit of idle time, which is far colder than most of us see. And at that extreme temperature only 15 seconds was necessary!
This is why I start 'er up, idle down the driveway, and GO real easily without a warmup period.
When it gets that cold the oil is thick enough that it takes time to build pressure at the heads. I believe this ensures a long enough time idling to make sure no damage can be done.
This is another example of why warming the engine is unnecessary in most cold weather. It took -32° F for the truck to say that it needed a bit of idle time, which is far colder than most of us see. And at that extreme temperature only 15 seconds was necessary!
This is why I start 'er up, idle down the driveway, and GO real easily without a warmup period.
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Tuned
Joined: Jul 2010
Posts: 299
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From: Northwestern Ontario
When it gets that cold the oil is thick enough that it takes time to build pressure at the heads. I believe this ensures a long enough time idling to make sure no damage can be done.
As I stated, I had been using the remote start in the mornings....and today was the first day manually starting it....so the message may have been coming on at an warmer temperature.
I can't imagine not having the supplement cab heat, as the temp guage was still on cold after running for 1/2 hour.
I do wish I had heated seats though....
Someone mentioned the 6.0. It actually started very well at these low temperatures also, many times at -30F without being plugged in. It did give a good 'growl' though. It warmed up faster.
The 6.7 seems to start just like summer....(with a small 'growl')
--
Gordon
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They sure start good in the cold but I can not imagine being without the supplemental rapid heat option. It was 7 degrees this morning and it took a half hour of driving before the oil temp hit 150 degrees. Truck was toasty though with the rapid heat and the seat heaters.
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Regards
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I wonder why these trucks take so long to warm up compared to the older diesels?(maybe its because the egr has a cooler seperate from the primary cooling system) My 6oh warmed up much faster than this one does...also my block heater in the 6oh kept the coolant in the block warmer than the new 6.7 does.
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