6.4 winter warmup time
Super Moderator
Joined: Aug 2003
Posts: 25,479
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From: Isanti, MN
Which makes sense in that situation. The only point I was trying to get at was that idling to "warm up" a truck does nothing good for the engine.
Senior User
Joined: Jun 2005
Posts: 321
Likes: 2
This whole topic concerns me a little. There's at least 2 or 3 occassions I've had to let my vehicles idle for close to 20 or more minutes those nights when freezing rain moves in. I can't even begin to start scraping until some of that ice starts to melt and gives way to it's bond on the windshield. Am I reading into these forums too much? I stopped at a dealership yesterday and test drove a 2006 F250 crewcab lariat. I'm at the verge of going pre 2008 just to get away from all the stuff I read here.
I started the negotiations then walked away from it. Told the guy I needed time to think about it. That '06 doesn't drive as nice as my '08. I could defenitely feel the difference when I pulled out of the lot with that 6.0, it wasn't as responsive for sure. Just thinking out loud so ignore my ranting. LOL.
I started the negotiations then walked away from it. Told the guy I needed time to think about it. That '06 doesn't drive as nice as my '08. I could defenitely feel the difference when I pulled out of the lot with that 6.0, it wasn't as responsive for sure. Just thinking out loud so ignore my ranting. LOL.
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Senior User
Joined: Feb 2010
Posts: 177
Likes: 2
From: Ohio
On page 11 of the supplement under STARTING THE ENGINE it says "when starting the engine below -15f/-26c it is recommended to allow the engine to idle for several minutes before driving the vehicle". Then later on page 15 under COLD WEATHER OPERATION it says "Idling in cold weather will not heat the engine to its normal operating temperature. Long periods of idling in cold weather can cause a buildup of heavy deposits of carbon and rust on valve stems causing them to stick, which in turn, can cause valve train damage. Avoid idling for more than 10 minutes at a time. Do not shut the engine down after extensive idling of 10 minutes or more. Drive the vehicle for several miles with engine at normal temperature to burn off any accumulated carbon and varnish."
We dont ever see -15 around here so I guess I'll just start it, give a few seconds and drive it.
Good discussion, thanks for the input.
We dont ever see -15 around here so I guess I'll just start it, give a few seconds and drive it.
Good discussion, thanks for the input.
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Senior User
Joined: Feb 2010
Posts: 177
Likes: 2
From: Ohio
This whole topic concerns me a little. There's at least 2 or 3 occassions I've had to let my vehicles idle for close to 20 or more minutes those nights when freezing rain moves in. I can't even begin to start scraping until some of that ice starts to melt and gives way to it's bond on the windshield. Am I reading into these forums too much? I stopped at a dealership yesterday and test drove a 2006 F250 crewcab lariat. I'm at the verge of going pre 2008 just to get away from all the stuff I read here.
I started the negotiations then walked away from it. Told the guy I needed time to think about it. That '06 doesn't drive as nice as my '08. I could defenitely feel the difference when I pulled out of the lot with that 6.0, it wasn't as responsive for sure. Just thinking out loud so ignore my ranting. LOL.
I started the negotiations then walked away from it. Told the guy I needed time to think about it. That '06 doesn't drive as nice as my '08. I could defenitely feel the difference when I pulled out of the lot with that 6.0, it wasn't as responsive for sure. Just thinking out loud so ignore my ranting. LOL.
BTW the diesel engine supplement I have is for the 6.4 and the 6.0 both.
Senior User
Joined: Jul 2006
Posts: 226
Likes: 0
From: Jeffersonville , Indiana
I usually start mine and let it idle normal for a few minutes and then flip on the high idle control hooked up to my upfitter switch and it idles at 1200 rpm's when I need to warm it up for the family or to clear the windshield.
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Senior User
Joined: Feb 2010
Posts: 177
Likes: 2
From: Ohio
A couple other things.
You SHOULD idle the engine 3-5 minutes when it's hot or working hard before shutting it off, ie: towing in 90 degree temperatures, to allow the turbo to cool down properly.
Keep your fuel tank full in the winter, never below 1/4 tank, to minimize water condensation in your tank.
You SHOULD idle the engine 3-5 minutes when it's hot or working hard before shutting it off, ie: towing in 90 degree temperatures, to allow the turbo to cool down properly.
Keep your fuel tank full in the winter, never below 1/4 tank, to minimize water condensation in your tank.
Laughing Gas
Joined: Feb 2007
Posts: 950
Likes: 6
From: Waco, Texas
A couple other things.
You SHOULD idle the engine 3-5 minutes when it's hot or working hard before shutting it off, ie: towing in 90 degree temperatures, to allow the turbo to cool down properly.
Keep your fuel tank full in the winter, never below 1/4 tank, to minimize water condensation in your tank.
You SHOULD idle the engine 3-5 minutes when it's hot or working hard before shutting it off, ie: towing in 90 degree temperatures, to allow the turbo to cool down properly.
Keep your fuel tank full in the winter, never below 1/4 tank, to minimize water condensation in your tank.
I normally start, idle for about 30 seconds, and ease down the road for a couple of minutes and then away I go...
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