Anbody having gelling issues? - Dodge Cummins Diesel Forum
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post #1 of 13 (permalink) Old 01-04-2018, 12:00 AM Thread Starter
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Anbody having gelling issues?

Seeing a lot of trucks jelling in the Northeast here because it's been mostly in the low single digits for about 2 weeks. Going to drop well below zero this weekend here and I'm a little nervous.

Never had an issue before and I always used Howes treatment (I've been putting in extra recently). I deleted my fuel heater so I'm a little nervous with it being this cold.

Most of the brand new and other common rail trucks are the ones jelling. Lot of fass and airdog equipped trucks as well.
I'm sure the finer filters aren't helping them out. Pretty the fuel in our trucks running through a warm mechanical lift pump and high pressure Injection pump helps a lot to warm the fuel.


Daily driver/ workhorse: 1994 2500SLT 4x4 Auto. Hewitt EGT, Boost, Trans gauges, Under hood Mech FP gauge, Trident fuel lines, Tork Tek OFV, Mag-Hytec DD Transmission Pan, Ford manual hub conversion, Diamond eye 4" turbo back, 37337 Upgrade. 260K

98 2500slt 4x4 ECLB moldy G56, south bend clutch 3rd gen trac bar , boxed control arms, billet tappet cover w/ dual breathers trident fuel lines, Tork Tek OFV, 4' stainless side dump with muffler 240k
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post #2 of 13 (permalink) Old 01-04-2018, 12:28 AM
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North Dakota, run #2 and dump in the white bottle (Power Service Brand me thinks). We have been below zero a few weeks, some nights down to -26. Starts like a cold diesel but after a few minutes runs good. I have been dumping in twice recommended amounts when it gets in the minus ranges.
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post #3 of 13 (permalink) Old 01-04-2018, 01:06 AM
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Had mine gel up over weekend in vt. Was -10 one night. It started ok , stalled a few times then stayed running but when I stepped on gas to go it wasn't going anywhere. Just kinda kept along. Pulled over let it run a bit then wouldn't go over 30. Mile or 2 up the rd it was fine. Next night was -20 and had it plugged in. Started no prob but after a couple min it stalled and wouldn't stay running. Had to heat rear fuel filter then ran fine. Obviously my rear fuel filter heater is not working but the dealers here on long island are clueless about it. They are telling me that they had to have corrected the heater issue since it was a prob in 2013/14. I have a 2016. Anyone having trouble with rear fuel filter heater on a 2015/16/17?
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post #4 of 13 (permalink) Old 01-04-2018, 07:38 AM
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I use #2 diesel year round, treat it with grey bottle power service at 1 oz per 3 gallons in warm weather, and 30 degrees or colder use white bottle power service to prevent jelling, 1 oz per 3 gallons will keep you safe to -10 degrees, 1 oz per 2 gallons diesel will be good for at least -30 degrees, colder than that I'm not sure, speaking from experience.

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post #5 of 13 (permalink) Old 01-04-2018, 10:11 AM
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No but I keep the tank above half.

The 12v will RISE again.
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post #6 of 13 (permalink) Old 01-04-2018, 11:02 AM
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I believe the newer trucks have filter heaters, unlike ours which are pretty much worthless. If you are using anti-gel additive then I think you don't have to worry about it.

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post #7 of 13 (permalink) Old 01-04-2018, 01:10 PM
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Make sure you've got clean (newer) fuel filter in the truck. If you have the opportunity for straight #1 diesel - I put that in when it gets below zero - usually mix with #2. #1 has a lower cloud point. Mix as you feel necessary, can run straight #1 also, lower mileage though.

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post #8 of 13 (permalink) Old 01-04-2018, 05:33 PM Thread Starter
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I changed my filter this fall and always used Howes treatment. So far so good. Looks like I got one more cold weekend than it will be back in the 30s

Daily driver/ workhorse: 1994 2500SLT 4x4 Auto. Hewitt EGT, Boost, Trans gauges, Under hood Mech FP gauge, Trident fuel lines, Tork Tek OFV, Mag-Hytec DD Transmission Pan, Ford manual hub conversion, Diamond eye 4" turbo back, 37337 Upgrade. 260K

98 2500slt 4x4 ECLB moldy G56, south bend clutch 3rd gen trac bar , boxed control arms, billet tappet cover w/ dual breathers trident fuel lines, Tork Tek OFV, 4' stainless side dump with muffler 240k
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post #9 of 13 (permalink) Old 01-04-2018, 10:05 PM
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What do you guys experience when the fuel gels? No start? Mine had only sat for about 5 1/2 hours today, but it was whole 2 degrees when I started it. Fired up 2nd crank but had an uneven miss throwing all kinds of white smoke that slowly went away after about a minute of me idling up and down. After that there was almost no haze at all. Never had this happen before but I think this is the coldest its been started unplugged. I'm thinking I may need some anti-gel additive.
Edit: When it has no power are your trucks throwing tons of white smoke? I just now read how other's won't have power when the fuel gels
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post #10 of 13 (permalink) Old 01-04-2018, 10:16 PM Thread Starter
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Sounds like the truck was just cold and warming up.

Daily driver/ workhorse: 1994 2500SLT 4x4 Auto. Hewitt EGT, Boost, Trans gauges, Under hood Mech FP gauge, Trident fuel lines, Tork Tek OFV, Mag-Hytec DD Transmission Pan, Ford manual hub conversion, Diamond eye 4" turbo back, 37337 Upgrade. 260K

98 2500slt 4x4 ECLB moldy G56, south bend clutch 3rd gen trac bar , boxed control arms, billet tappet cover w/ dual breathers trident fuel lines, Tork Tek OFV, 4' stainless side dump with muffler 240k
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post #11 of 13 (permalink) Old 01-04-2018, 11:11 PM
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Gelling up is just like running out of fuel or having a stopped up filter, you lose power to a point the truck will only go so fast, as it get worse it'll get to a point where the engine will only idle, when it's completely gelled up the engine will die and not restart.
Haven't had it happen in a pickup but twice in a semi, once the cross over line between the tanks gelled and I run the other tank out of fuel, suction line was in the left tank but the gauge was in the right tank, gauge showed 1/2 a tank of fuel.
Other time the filter gelled.
Most northern truck stops have blended fuel during winter months but when it got real cold I'd add some Howes or Power Service for added protection.

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post #12 of 13 (permalink) Old 01-04-2018, 11:35 PM
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Thanks for the replies. I suppose it could have just been cold but from the way it was billowing smoke like crazy across the whole parking lot, one of my thoughts was that the timing had slipped since it didn't improve for what seemed like a good 2 minutes. I'll have to add some white bottle power service to rule out gelling as an issue.
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