Question About Idling
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Senior User
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From: California
Question About Idling
When I owned my 2012 Ram 6.7 Cummins the dealer told me NOT to let it idle excessively more than 5 minutes. They said this will cause the DPF to build up soot. Should I follow the same advice for my 6.7 PSD or is it okay to idle without worry? For instance, when I'm hooking up the fifth wheel, does anyone know the official Ford answer?
Hotshot
Joined: Nov 2000
Posts: 11,591
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From: Pflugerville, tx
When I owned my 2012 Ram 6.7 Cummins the dealer told me NOT to let it idle excessively more than 5 minutes. They said this will cause the DPF to build up soot. Should I follow the same advice for my 6.7 PSD or is it okay to idle without worry? For instance, when I'm hooking up the fifth wheel, does anyone know the official Ford answer?
but if you do this occasionally no issue.. (I idle at the mall waiting for my wife once every other month)..
if you intend to do this more frequently.. you can wire up some of the switches and pre-built wires to raise the idle a little which helps..
see the technical sticky topic at the top of the forum, and look for "SEIC High Idle Instructions"
Post Fiend
Joined: Jan 2009
Posts: 6,521
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From: Greenwood, SC
I think it has more to do with caking/clogging the egr valve and maybe turbo vanes.....
Anyhow, acceptable idling is generally 20% of total hours. So I guess idling 20/100 hours would be just fine in fords eyes. I don't know where or if this figure is printed but I do believe it is printed somewhere in ford literature/manual/tsb/warranty guide.
I don't worry about it, I let it idle whenever the thought strikes me.
Anyhow, acceptable idling is generally 20% of total hours. So I guess idling 20/100 hours would be just fine in fords eyes. I don't know where or if this figure is printed but I do believe it is printed somewhere in ford literature/manual/tsb/warranty guide.
I don't worry about it, I let it idle whenever the thought strikes me.
Super Moderator
Joined: Aug 2008
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From: Frederick, MD
I try not to idle much as there is where a lot of soot does come from.
As well as zero mpgs per gallon.
Coking of the turbo and EGR issues are not really so much this issue with this motor.
Wet stacking is not a problem.
As well as zero mpgs per gallon.
Coking of the turbo and EGR issues are not really so much this issue with this motor.
Wet stacking is not a problem.
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Senior User
Joined: Jul 2014
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From: California
I think it has more to do with caking/clogging the egr valve and maybe turbo vanes.....
Anyhow, acceptable idling is generally 20% of total hours. So I guess idling 20/100 hours would be just fine in fords eyes. I don't know where or if this figure is printed but I do believe it is printed somewhere in ford literature/manual/tsb/warranty guide.
I don't worry about it, I let it idle whenever the thought strikes me.
Anyhow, acceptable idling is generally 20% of total hours. So I guess idling 20/100 hours would be just fine in fords eyes. I don't know where or if this figure is printed but I do believe it is printed somewhere in ford literature/manual/tsb/warranty guide.
I don't worry about it, I let it idle whenever the thought strikes me.
Mountain Pass
Joined: Dec 2009
Posts: 224
Likes: 7
From: Regina, Saskatchewan
as the engine runs it gradually fills the diesel particulate filter. The filter cannot regenerate while the truck is idling unless you do an operator commanded regeneration - a function which is available only on the xlt trucks. Thus if you do a lot of idling and do not follow the prompts (drive to clean exhaust filter) you could be in for a trip to the dealer to have your exhaust filter cleaned. The short duration idling you describe should not be a problem. Generally though, prolonged idling for these engines is not a great thing.
Fleet Mechanic
Joined: Aug 2013
Posts: 1,313
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From: Louisiana
I idle all day long since I got rid of the truck of "unnecessary" weight! Just kidding, but I don't really fret anymore like I used to.
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From: Great Falls, Montana
When I owned my 2012 Ram 6.7 Cummins the dealer told me NOT to let it idle excessively more than 5 minutes. They said this will cause the DPF to build up soot. Should I follow the same advice for my 6.7 PSD or is it okay to idle without worry? For instance, when I'm hooking up the fifth wheel, does anyone know the official Ford answer?
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Post Fiend
Joined: Oct 2002
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I too let it idle a LOT...
Here in TexUS that ac is on max air all the time when I'm hooking up, etc...
and the towels are ready to wipe off the sweat so why would I NOT let it idle with the ac on
5th ford diesel with remote start and have heard that since 2002 and still ignore it
Here in TexUS that ac is on max air all the time when I'm hooking up, etc...
and the towels are ready to wipe off the sweat so why would I NOT let it idle with the ac on
5th ford diesel with remote start and have heard that since 2002 and still ignore it
FTE Chapter Leader
Joined: Sep 2011
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From: Great Falls, Montana
That is a good point "adam"..........
Remote start: Mine is set to run up to 15 mins......and then I can hit the buttons a second time and get 30 mins of idle time in the driveway.
Remote start: Mine is set to run up to 15 mins......and then I can hit the buttons a second time and get 30 mins of idle time in the driveway.
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