Truck idling up question. - Ford Powerstroke Diesel Forum

 
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post #1 of 8 Old 09-29-2012, 01:14 PM Thread Starter
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Truck idling up question.

So I've noticed when I put my truck in park and let it idle for more than a minute when is below 50 degrees or so my truck idles up on its own but I don't have the high idle switch wired up in my truck and i don't have the parking break on. I guess basically my question is does anybody else's truck do this?

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post #2 of 8 Old 09-29-2012, 03:48 PM
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Mine does it.

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post #3 of 8 Old 09-29-2012, 03:56 PM
Don't you worry about it


 
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I think they all do it


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post #4 of 8 Old 09-30-2012, 02:21 PM
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This is an automatic feature on our trucks. In order to maintain heat and lubrication in colder conditions, our trucks are programmed to high idle when the ambient temperature gets a certain number. I read a while back what that specific number is, but you get the point...auto feature when cold.

In really cold climates (sub zero), this saves diesels like ours.

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post #5 of 8 Old 09-30-2012, 02:56 PM
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Mine does it too.
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post #6 of 8 Old 09-30-2012, 03:27 PM
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Quote:
Originally Posted by wilsonw2 View Post
This is an automatic feature on our trucks. In order to maintain heat and lubrication in colder conditions, our trucks are programmed to high idle when the ambient temperature gets a certain number. I read a while back what that specific number is, but you get the point...auto feature when cold.

In really cold climates (sub zero), this saves diesels like ours.
All diesels trucks do this, I have notice the powerstrokes do it a higher air temp.

2008 F250 Lariat 4 Door Crew Cab, H&S Minn Maxx S&B intake, sinister coolent filter
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post #7 of 8 Old 10-01-2012, 07:51 AM
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all of our diesels do it. this is why i do not wire up the high idle. the truck knows when it needs to do it. I find that in the winter, i run out and start my truck, and after a minute or so it will idle up to warm it up faster. if you want it to idle back down, tap the brakes and it will go back down to regular idle.

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post #8 of 8 Old 10-01-2012, 07:59 AM
Don't you worry about it


 
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High idle switch idles higher than the automatic high idle. Plus I use high idle if I'm jump starting a car or something


Keith
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