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Old 07-17-2012, 12:39 PM
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Idleing question

Hey guys I've got a quick question for you. I know that with these 6.0's its not good to let them idle for long periods of time but my question is if I'm running into a store for 20 mins is it better to shut the truck off or let it run? I've allways been told diesels are better off running then shutting them off and restarting them. Any opinons? Thoughts? Suggestions? Thanks

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Old 07-19-2012, 10:32 AM
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For me, if it's any longer then about 3 mins, I leave it running. Only time I would run it longer would be if it's way to cold out. I find that after I replaced my dummy plugs/standpipes, there really is no need to idle it because it starts so easily now.
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Old 07-19-2012, 01:31 PM
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Ive read all the posts about never letting a 6.0 idle for very long ( I believe ford says anything over 10 minutes is excessive ). This being mainly because of the EGR system. They state to have the high idle mod done if you want to idle it for extended periods.

With that being said, I have a EGR delete kit installed on my truck. I let my truck idle for 20-30 minutes from time to time when im out at jobs, becauase I hate starting it 10+ times a day. I have never had any issues, although I Romp on it pretty hard one time after I get back out on the road to clear the turbo out. (Peace of mind).

As soon as I get upfitter switches, I will leave it on high idle while I am out of it. (Helps keep fuel from getting into oil from cylinder wash)

Im sure some others can elaborate on this, but I wouldn't do it if your EGR system is stock.
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Old 07-19-2012, 01:59 PM
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just shut it off. This is 2012, not 1970. These engines have more than enough starter power, and with synthetic oils and sophisticated electronics, there is no reason to let any diesel idle longer than it takes to cool the EGTs down under 400F.
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Old 07-19-2012, 02:06 PM
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Shut it off, no need to let it idle unless it is 40 below.
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Old 07-19-2012, 06:30 PM
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We let the work trucks idle all day with the ac on and don't have any problems
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Old 07-21-2012, 04:49 PM
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Quote:
Originally Posted by shelbyyoder#5 View Post
We let the work trucks idle all day with the ac on and don't have any problems
YET.......
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Old 07-21-2012, 05:10 PM
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Quote:
Originally Posted by TooMuch03 View Post
just shut it off. This is 2012, not 1970. These engines have more than enough starter power, and with synthetic oils and sophisticated electronics, there is no reason to let any diesel idle longer than it takes to cool the EGTs down under 400F.
what he said......unless you drive an ambulance.

Sent from my SCH-I500
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Old 07-21-2012, 06:00 PM
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excessive idle time is hard on injectors. the only time I let me truck idle is when it's triple digits or freezing then I kick on the high idle
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