6.2 died on the hill???

[Robmears]

We got a bit of snow last night, just enough to make things slippery. Long short of it.it died in the middle of the hill on the way back. She acted like she just ran out of fuel. Began to loose power and just staled. It would rev up then quit. :confused: thinking its air.

[DmaxMaverick]

It could be air. It could also be fuel issues, if it's cold enough without winterized fuel. This could also cause air in the system, with any restriction exploiting any potential for an air leak.

[Robyn]

I'm with Maverick

When was the last time the fuel filter was changed ????

As mentioned, fuel issues exploiting things.

Reving and dying is a classic for a plugged filter or air.

When the filter gets clogged, the transfer pump in the IP can and will "Suck" a hole in the fuel (sort of) and then the thing can rev and die.

Have you been running any bio blends? this stuff does not do well in the cold.

Missy

[Robmears]

I made sure to 911 up my blazer befor it got cold. So the fuel jelling was never a ?. And she bled out fine, there was no water to be found either,from the tank or filter. Pluse she is a non egr 6.2. So that was checked off also. The blue and white smoke really worried me. I began to think she was nearing the end. I am a fairly good at gas jobs and all my training sez blue smoke is oil. But as I have come to find diesel is a whole new ball game.long storie short. After all my worrying it was a blocked return off the ip. Saddly I fear a rebuid of the ip will have to be done some time soon. My hope is she will last the winter. She is my plow rig so I hope she hold up until warmer days. It is a 84 so father time very well could have taken a toll on her seals. I suspect that is what was blocking the rturn. The thing runs great and has lots of power. Any recamended oil weights, it get really cold up here.

[Dvldog8793]

Gets pretty chilly here as well. I run 5w40 synthetic in my trucks in winter...either amsoil or mobile1. in summer I run 15w40 regular oil.
Both seem to be good and I never have trouble starting in the winter.

[Robmears]

We got our first snow storm and I went out and started my blazer. She fired right up, had a little white smoke till she warmed up. But seemed to run fine. I plowed a little and the plow pump bracket broke. Got that all welded and put back on the next day. She fired right up again. Began to plow and she started loosing power. I stopped plowing and I reved it up a little and she acted like it was starving. I opend my bleeder and fuel came out. But when I tryed to start it she wouldn't catch. Acted like it wanted to but wouldn't. Starting to get discuraged here. It seems to have a mind of its own. That or its afraid of work.

[Dvldog8793]

howdy
In reading the prior post you said that you used 911. The "911" for fuel that I use is made by powerservice and states on the bottle that it is not an ANTI-GEL...just an emergency fuel de-gelling product. Having just went through this mess a few weeks ago....I would start by replacing fuel filter and then try to get as much #1 as you can in the tank and then even use a fuel system cleaner anti-gel as well. PowerService or FPPF are good brands IMHO, use about 3times what is recommended.
After you know that you have good fuel and clean filter maybe check the fuel pressure as you are working the truck. I have a gauge that I hooked up to a long hard line and then taped it to my windshield. looked goofy but I was able to see fuel pressure at all different engine loads. Does your valley under the intake have any fuel in it? These pumps have a weep hole in them and two different seals that can cause fuel loss from the pump.
Hope this helps!!
Good luck

[Robmears]

Thanks for the reply. Power service diesel fuel supplement cetane boosr is what I used. It said on the bottle it prevents fuel gelling. I have had a few people tell me to just put some kero, in the thing. But I'm not sure if my problem is jelling of the fuel. It bled out of the filter so I'm troubled here. I had to give up on her last night cuz it was to late. I am going out after coffee and try again. Its 7 below this fine morning and I exspect this to be a real peach. Not real fond of the thing at the moment. I did how ever notice it is a little wet under the intake. Ip correct. Yah you gotta love doing stuff like this at 7 below:mad:

[DmaxMaverick]

Power Service gray bottle is NOT winter treatment. The White bottle is, but you must use the correct dosage according to temperature. At -7F, you'll need to double up just about any of them you'll use.

Power Service 911 is an emergency remedy for a system that is iced/gelled. It should NEVER be used as a "treatment" to prevent icing or gelling.

If your fuel is still icing or gelling, you are either not using the correct treatment, or not using enough correct treatment. While near-zero temps are very cold, they are quite manageable, in regards to fuel. Any time a refinery or fuel station underestimates local delivery temperatures, there's gonna be problems with the fuel. I see this all the time during winter, even here in central California. I get fuel in an area that is typically 30-40F in the winter (no winter treatment at the pump), but I can find myself in an area that's single digits or sub-zero by day's end. Power Service White bottle handles this just fine, every time.

[Robmears]

Fooled with mayjor pain all day today and no luck. Yes I named it. Its ex military so major fits. And after th
e past few days pain really fits. But, back to the days events. The fuel filter was plugged. I bought a new one for the low price of 26.00. Put that on and bled the system. Cranked it over and it wanted to start but just wouldn't catch. Don't know gave up when the batt, went dead the third time.:mad: not sure if she just isn't cranking fast enough or what. Thought it was the fuel shut off but checked it and it snaps back when :confused:unplugged. Think its safe to say the mayjor whooped my a$$ today.try again tomorrow.

[Dvldog8793]

I know this is starting to send you in another direction...but...

Is it still a 24 volt system?
Are your Glowplugs working? These rigs are chronic glow control eaters. It will be a printed circuit board inside a 3x3 plastic box under the driver side dash. Very common for this board to get smoked.

If you have one BAD battery then it will cause a problem for the other and you will have starting problems.
BOTH batteries need to be in good shape.

There are two seals in the pump, I think one is even called a cold weather seal and is designed to seal the pump in cooler climates when tollernces might cause the main seal to leak. The bad thing about these older rmilitary rigs is that they SAT for many years and seals will go bad if not used regularly. Don't know if maybe the pump could be loosing enough through that to make a difference or just make a mess. When mine went bad it just made a mess...always ran fine.

[Robmears]

I changed the filter, and it was plugged. And after many trys it did start but wouldn't rev up. I held it to the floor just to get it to stay running. Then it would start and only idel ruff. Then it died along with the batt. My ip is leaking because its wet under the intake. I am thinking its a plugged return. I am sure the ip needs a rebuild, but its deff,not in my budget right now. I am really praying I can get threw the winter. She only plows the drive way for now. She is a work in progress. I traded a 500 dollar ski-doo for it. Came with bran new tires the plow and a lot of body parts. I love the truck, but talk about a pain.

[Robmears]

And yes it is still a 24 volt system

[convert2diesel]

I changed the filter, and it was plugged. And after many trys it did start but wouldn't rev up. I held it to the floor just to get it to stay running. Then it would start and only idel ruff. Then it died along with the batt. My ip is leaking because its wet under the intake. I am thinking its a plugged return. I am sure the ip needs a rebuild, but its deff,not in my budget right now. I am really praying I can get threw the winter. She only plows the drive way for now. She is a work in progress. I traded a 500 dollar ski-doo for it. Came with bran new tires the plow and a lot of body parts. I love the truck, but talk about a pain.

I'm about 200 miles north of you and the temps up here hit minus 22 over the weekend and my 88 went the same way on Saturday and it was gelling. Used a hair dryer on the filter housing for about an hour, added 1 gallon of kerosene and she fired right up after clearing all the lines. Took a little persuasion but she finally fired and no issues since. It was actually colder yesterday and still no issues. I used a ratio of 2:1 (#2:Kerosene). Make sure your fuel heater is working. PO decided he didn't need it and took a set of side cutters to the heater. Will have to fix that when it gets warmer.

Bill