Warming up a PSD
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Junior User
Joined: Jun 2005
Posts: 70
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Warming up a PSD
Just wondering how long I should be warming up my 06 PSD. Live in northcentral WI and this is my first one. Last couple of days the morning temp has been around 37 and just for the heck of it I started it 5 min. before work. Went outside to leave and it was running about 900 rpm. Put my foot on the brake and it went to idle. Just wondering if I should let it run a little longer. I suppose a remote start would greatly help. Talked to Best Buy and they said they have to use a timer. Will that be bad on the glow plugs if they are threw their cycle before the remote is?
Elder User
Joined: Sep 2006
Posts: 679
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From: NW Burbs of Illinois
Hello, this is my first post here but have been lurking for awhile now
Anyways, I cannot answer your question about how long you need to warm your diesel up for but i will give you advice about best buy.
Make sure you talk to the guys back in bay as some bays are great and some not.
But you dont really need a timer, the DEI brands (VIPER) have a " Diesel wait to start" wire. They need to hook that wire up to the light in the dash. Sometimes this is not possible. I have not tried this myself as i do not own a PSD yet (spring time i will). I hope that helps but my major word of advice to go back to bay and feel the guys out. My bay is immaculate and work on many custom installs and fancy cars. But some cant install a radio without screwing it up, haha
Good luck!
you can reference some of my work here at www.installshowcase.com
Anyways, I cannot answer your question about how long you need to warm your diesel up for but i will give you advice about best buy.
Make sure you talk to the guys back in bay as some bays are great and some not.
But you dont really need a timer, the DEI brands (VIPER) have a " Diesel wait to start" wire. They need to hook that wire up to the light in the dash. Sometimes this is not possible. I have not tried this myself as i do not own a PSD yet (spring time i will). I hope that helps but my major word of advice to go back to bay and feel the guys out. My bay is immaculate and work on many custom installs and fancy cars. But some cant install a radio without screwing it up, haha
Good luck!
you can reference some of my work here at www.installshowcase.com
Last edited by IB Tim; Sep 22, 2006 at 05:41 AM.
Elder User
Joined: Apr 2004
Posts: 797
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From: Wickenburg, AZ
I like to give it a minute or two when I start it cold and then go easy on it until I see the temperature gauge start to come up. I also like to let it idle for a bit before I shut it off so the turbocharger can cool off. That ranges from 30 seconds to a few minutes depending on how hard I work it.
You don't want to spend too much time idling a 6.0, though. In the early days of the 6.0, excessive idling (somewhere around 10 minutes perhaps) would gunk up the EGR valve and turbocharger. The newer 6.0s have a strategy that closes the EGR valve for longer idling, but you don't want the thing idling for a real long time. It's something of a balancing act, and everyone will tell you something a little different. If you're really worried about it when it gets colder, I'd plug it in. That's what I do when I'm in the High Country down here.
As to your high idle, what you have going on there is a Cold Idle Kicker. The colder it gets outside, the higher it will put the idle up. It's done for a bunch of reasons, partly to combat carbon buildup and partly to keep the fuel warm. It will only do it when your foot is off the brake and is perfectly normal.
You don't want to spend too much time idling a 6.0, though. In the early days of the 6.0, excessive idling (somewhere around 10 minutes perhaps) would gunk up the EGR valve and turbocharger. The newer 6.0s have a strategy that closes the EGR valve for longer idling, but you don't want the thing idling for a real long time. It's something of a balancing act, and everyone will tell you something a little different. If you're really worried about it when it gets colder, I'd plug it in. That's what I do when I'm in the High Country down here.
As to your high idle, what you have going on there is a Cold Idle Kicker. The colder it gets outside, the higher it will put the idle up. It's done for a bunch of reasons, partly to combat carbon buildup and partly to keep the fuel warm. It will only do it when your foot is off the brake and is perfectly normal.
Sit. Stay.
Joined: Oct 2001
Posts: 18,308
Likes: 20
From: Washington State
FWIW, it is quite difficult to warm up a diesel at idle since they run cooler at an idle.
There is really no need to "cool" down the turbo unless you just came off a long, uphill, full-throttle run but even then coking wouldn't be an issue. (Coking was the reason for cooling down the turbo) Oil is just too good these days.
There is really no need to "cool" down the turbo unless you just came off a long, uphill, full-throttle run but even then coking wouldn't be an issue. (Coking was the reason for cooling down the turbo) Oil is just too good these days.
Senior User
Joined: Dec 2005
Posts: 491
Likes: 0
From: NJ
i warm mine up for 10-15 minutes in the winter. give me time to load my stuff up for the day in it.
i'd stay away from remote starts. i have heard horror stories about about those things reallly screwing up vehicles if not done right.
i'd stay away from remote starts. i have heard horror stories about about those things reallly screwing up vehicles if not done right.
Elder User
Joined: Dec 2003
Posts: 652
Likes: 1
start it, let the oil presure come up, put it in gear and drive.
Last edited by F250Wheels; Sep 22, 2006 at 08:01 AM.
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Senior User
Joined: Apr 2006
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From: Burt N.Y.
I have an auto command remote starter in my 2005 psd that I put in myself. It has a built in wait to start timer and a tach input wich you need for remote starters to work in these vehicles. It works great every time.
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New User
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I just installed an AutoCommand remote starter in mine too. The RS is an older unit, so it did not have the 'wait to start' lead, but within the programming it has a 'diesel' option which gives it a 10 second glow-plug delay before hitting the starter. I use it daily on mine, pretty much every time I get in the truck so I don't have to wait for the light to go off 
I've only had one problem with it, I can't seem to find the correct wiring for getting the heater working, though that's for another thread.
Back on topic, I warm my '99 for 5-10 minutes (about the time it takes for me to put on my shoes and coat, and grab my lunch on my way out the door).
I've only had one problem with it, I can't seem to find the correct wiring for getting the heater working, though that's for another thread.Back on topic, I warm my '99 for 5-10 minutes (about the time it takes for me to put on my shoes and coat, and grab my lunch on my way out the door).
Posting Guru
Joined: Jan 2006
Posts: 1,605
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From: Elkhorn, WI
i also live in wisconsin and i let my 7.3 warm up for about ten minutes before taking off just to get the engine warmer and also warm up the cab. when it gets below freezing i plug it in with a timer to kick the block heater on 3 hours before i leave to help it crank over easier
Elder User
Joined: Dec 2003
Posts: 652
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Let's look at this warm up time in A mechanical fram of mine, once you have oil presure and A stable idle your piston are going up and down if you idle or going down the road, I don't see any gain to all the WARM UP TIME.
Freshman User
Joined: Jul 2005
Posts: 29
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There is no need to warm up the engine unless you just have to have a warm cab for the misses or children when you jump in. As long as the oil pressure is good and you are not flooring it, then I wouldn't bother. The block heaters are used to prevent a hard-start/no-start condition in extreme cold. I have the Ford remote start, but I use it for the exact opposite. In deep South Texas, running the A/C a few minutes before keeps the roids from sizzling.
Elder User
Joined: Apr 2004
Posts: 890
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From: Douglas County, GA
How is the turbo affected, since it operates off the heat of the exhaust? This is my first turbo diesel, but I've had a gas-burner turbo, and the owner's manual as well as other books said to allow the vehicle to reach operating temperature before getting into the boost, or the turbo could be damaged. If I didn't wait for it to warm up, the turbo would make a pretty nasty sound.
Logistics Pro
Joined: Mar 2004
Posts: 4,221
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I like to let mine run for at least a couple minutes on the first start of the day, and longer if it's cold out. You'll probably find that it runs a bit smoother if you let it run for a few minute before you take off. Honestly it's personal preference... some guys let theirs run for 10 minutes every time, other just start it and go after 10 seconds. I guess I'm in the middle somewhere. Even if I've been driving a while, and stop for a half hour or so, when I restart it, I'll still wait about 20 seconds or so just to give it time for oil to spread everywhere. I try not to ever be in that big of a hurry that a few minutes of warmup would hold me cause me much grief.
