Fuel warming?
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Fuel warming?
So the other day it was -25 degrees. Now that it has warmed up to near 0 I have found my truck gelled. I replaced the fuel filters in the cold and put some 911 in there. She fired right up! So here is my question. Does the 6.4 circulate fuel to warm it while the truck is running?
Super Moderator
Joined: Aug 2003
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From: Isanti, MN
So the other day it was -25 degrees. Now that it has warmed up to near 0 I have found my truck gelled. I replaced the fuel filters in the cold and put some 911 in there. She fired right up! So here is my question. Does the 6.4 circulate fuel to warm it while the truck is running?
Post Fiend
Joined: Sep 2003
Posts: 6,096
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From: Mesa AZ
Yes it does, but you should NEVER use Diesel 911 in your truck! It contains alcohol, which is an emulsifier and can carry water past your filters into your high pressure fuel pump. I've had two common rail diesels in the past, and life or limb would have to be in jeopardy before I used that product. A failed pump because of water will set you back $10,000.
Super Moderator
Joined: Aug 2003
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From: Isanti, MN
I wouldn't suggest making a habit of it, but from what I understand the catastrophic damage that comes to a 6.4L engine when water goes through the filters doesn't happen on a 6.0 or 7.3L because they use a HEUI injection system without an expen$ive HPFP to grenade.
Logistics Pro
Joined: Nov 2010
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From: Tewksbury, MA
I thought there was an aftermarket tank heater, kinda like the block heaters that keeps the fuel tank warm. I have heard of it before but never found it, i feel like that would be useful for diesels in extremely cold climates.
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Well I sure hope it doesn't jack my truck up. Lol. It's been idling for 8 hours now trying to burn some of that fuel so I can go get some number 1 in her. I suppose you could go get a stick on pad like a oil one and out it in the fuel tank but I don't know if it's needed. I think I just got some crumy fuel and the temp changed +/- 50 degrees back an forth over 4 days
Logistics Pro
Joined: Nov 2010
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From: Tewksbury, MA
Just did some digging found this. Arctic Fox LLC - Products for cold weather, diesel fuel heating, tube bending and outdoor products
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Super Moderator
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From: Frederick, MD
Drain that fuel water separator often and I would be replacing the lower filter at least with a fresh tank of diesel fuel.
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Laughing Gas
Joined: Aug 2006
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From: SW ON, Canada
Questions: From everything I've read, if your diesel fuel is unconditioned, it can gel in the really cold weather.
1) At what degrees does this happen and 2) once the fuel gels ... can you warm up the fuel i.e. bring the truck into a heated garage and will it ungel the fuel and be driveable again?
1) At what degrees does this happen and 2) once the fuel gels ... can you warm up the fuel i.e. bring the truck into a heated garage and will it ungel the fuel and be driveable again?
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Freshman User
Joined: Dec 2013
Posts: 43
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Questions: From everything I've read, if your diesel fuel is unconditioned, it can gel in the really cold weather.
1) At what degrees does this happen and 2) once the fuel gels ... can you warm up the fuel i.e. bring the truck into a heated garage and will it ungel the fuel and be driveable again?
1) At what degrees does this happen and 2) once the fuel gels ... can you warm up the fuel i.e. bring the truck into a heated garage and will it ungel the fuel and be driveable again?
Post Fiend
Joined: Sep 2003
Posts: 6,096
Likes: 28
From: Mesa AZ
I have never had the need but I do have a bottle of 911 in my truck box because sometimes I drive to Flagstaff during the winter and it can get pretty cold up there. Coldest temps here in the valley are 28-29 degrees right before dawn so luckily I've never had to deal with gelled fuel before. (knock on wood...)
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