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6.0L Power Stroke Diesel 2003 - 2007 F250, F350 pickup and F350+ Cab Chassis, 2003 - 2005 Excursion and 2003 - 2009 van

cold engine runs terrible

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Old Oct 1, 2004 | 06:32 PM
  #1  
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Angry cold engine runs terrible

After the truck has set for a day or two, when i start it ,it misses hammer, rattles, sputters. It will do this for about 10 to 20 minute. you can't even accelerate,it very much.Sounds like the thing going to go to pieces. After it warms up every thing is fine. I'll run great until i shut it down for a couple of days. The ford shop said the last time i brought it in that the computer lost it's memory,they updated the comp. and said every thing should be o k. Well this morning was the worst yet, it stopped twice while idling. The truck is a F350 SUPER DUTY 6.0 FX4 CREW CAB. 2004. 16000 MILES, Straight exhaust, banks six gun pkg. I'm hoping for some answers, Ford doesn't have any at this time....thank
 
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Old Oct 1, 2004 | 06:42 PM
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Originally Posted by ziggy23231
After the truck has set for a day or two, when i start it ,it misses hammer, rattles, sputters. It will do this for about 10 to 20 minute. you can't even accelerate,it very much.Sounds like the thing going to go to pieces. After it warms up every thing is fine. I'll run great until i shut it down for a couple of days. The ford shop said the last time i brought it in that the computer lost it's memory,they updated the comp. and said every thing should be o k. Well this morning was the worst yet, it stopped twice while idling. The truck is a F350 SUPER DUTY 6.0 FX4 CREW CAB. 2004. 16000 MILES, Straight exhaust, banks six gun pkg. I'm hoping for some answers, Ford doesn't have any at this time....thank
Do you run an fuel stabilizer since you let it sit so often?? Be it Power Service or Stanadyne? Also you might want to check your HFCM, the light has been known not to come on what the unit is full. Your problem could very easily be that simple.

Best of Luck,
Corey
 
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Old Oct 1, 2004 | 07:44 PM
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Agreed with the post above.

1) Check oil level - ensure all is well.

2) Poor or low cetane level in diesel fuel will do that.

3) If you live in a moderate or cold climate area, you may be getting winter-blend fuel???

Run a diesel additive, but diesels do that.
 
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Old Oct 2, 2004 | 09:20 AM
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Oil level is o k. It probably is the fuel cetane,i haven't used any power service since last wiinter. Just for the heck of it last nite i plugged in the engine block heater, well the truck ran a lot better this morning, not to say that it ran perfect, just a lot better. I want to thank you guys for you input. ziggy
 
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Old Oct 2, 2004 | 11:12 AM
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Originally Posted by ziggy23231
Oil level is o k. It probably is the fuel cetane,i haven't used any power service since last wiinter. Just for the heck of it last nite i plugged in the engine block heater, well the truck ran a lot better this morning, not to say that it ran perfect, just a lot better. I want to thank you guys for you input. ziggy
Alright, then that pretty much means you have degrading fuel. Before you run it much more make sure you fill up your tank, and add enough Power Service(for you I would reccommend the white bottle) for the whole tank. Since you let it sit for a couple days at a time. It would be a very good idea to NEVER let it get below 1/4 tank. Also since it sits so much the probability for condensation and algae growth is so high, I would advise you to add power service according to the amount of fuel you add at eah fuel up. For instance, if you refill with only 20 gallons, make sure you only use enough Power Service for that 20 gallons. Let us know if this takes care of the problem..

Best of Luck,
Corey
 
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Old Oct 2, 2004 | 12:40 PM
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Originally Posted by ziggy23231
After the truck has set for a day or two, when i start it ,it misses hammer, rattles, sputters. It will do this for about 10 to 20 minute. you can't even accelerate,it very much.Sounds like the thing going to go to pieces. After it warms up every thing is fine. I'll run great until i shut it down for a couple of days. The ford shop said the last time i brought it in that the computer lost it's memory,they updated the comp. and said every thing should be o k. Well this morning was the worst yet, it stopped twice while idling. The truck is a F350 SUPER DUTY 6.0 FX4 CREW CAB. 2004. 16000 MILES, Straight exhaust, banks six gun pkg. I'm hoping for some answers, Ford doesn't have any at this time....thank
WELCOME to the site, please read the Guidelines… Check out the list of forums and make sure you read the headings and Read First: notices in each forum. Be sure to check out all the different forums.

Enjoy FTE
 
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Old Oct 2, 2004 | 03:44 PM
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(Since you let it sit for a couple days at a time. It would be a very good idea to NEVER let it get below 1/4 tank. Also since it sits so much the probability for condensation and algae growth is so high) quote

I thought it was if the fuel sits in the tank for weeks on end that you might have problems..not just for a few days???
 
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Old Oct 2, 2004 | 09:21 PM
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Originally Posted by s2gots
(Since you let it sit for a couple days at a time. It would be a very good idea to NEVER let it get below 1/4 tank. Also since it sits so much the probability for condensation and algae growth is so high) quote

I thought it was if the fuel sits in the tank for weeks on end that you might have problems..not just for a few days???
Well to answer your question, most likely if he lets it sit for a few days and drives it, and then lets it sit for a few days etc... The same tank of fuel is most likely in there for 3 or 4 weeks. Usually 4 weeks is about the most you can get SAFELY without adding an additive. Supposedly 3 months is the average life of untreated diesel, and you figure two months for shipping and storing and waiting in the tank at the fuel station. Plus, of course temperature and many other things affect it. Also, if you got one tank of "older" fuel, say 6 weeks it was sitting in at the fuel station, what can happen is algae will start to form in it, now it may not be enough for it to do a noticable amount of performace loss, but that algae will remain in your tank and "grow". "Happy Halloween!!!" Now that is a camp fire story...

Best of Luck,
Corey
 
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Old Oct 3, 2004 | 06:42 AM
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you figure two months for shipping and storing and waiting in the tank at the fuel station.
A factor, rarely brought into the equations...and important
 
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Old Oct 3, 2004 | 01:04 PM
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Originally Posted by RealMenPowerstroke!
Well to answer your question, most likely if he lets it sit for a few days and drives it, and then lets it sit for a few days etc... The same tank of fuel is most likely in there for 3 or 4 weeks. Usually 4 weeks is about the most you can get SAFELY without adding an additive. Supposedly 3 months is the average life of untreated diesel, and you figure two months for shipping and storing and waiting in the tank at the fuel station. Plus, of course temperature and many other things affect it. Also, if you got one tank of "older" fuel, say 6 weeks it was sitting in at the fuel station, what can happen is algae will start to form in it, now it may not be enough for it to do a noticable amount of performace loss, but that algae will remain in your tank and "grow". "Happy Halloween!!!" Now that is a camp fire story...

Best of Luck,
Corey
Thanx for clearing that up!! So if this seems to be a notable problem that can cause some serious bad stuff to the fuel, I wonder why the fuel companies dont do something about it?? Like additives already in the fuel from the plant??? It would really suck one day to open my fuel cap,and have green stuff coming out of the fill neck!!!LOL Though that would probablly take a long long time!!
 
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Old Oct 3, 2004 | 02:33 PM
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Originally Posted by s2gots
Thanx for clearing that up!! So if this seems to be a notable problem that can cause some serious bad stuff to the fuel, I wonder why the fuel companies dont do something about it?? Like additives already in the fuel from the plant??? It would really suck one day to open my fuel cap,and have green stuff coming out of the fill neck!!!LOL Though that would probablly take a long long time!!
I suspect for the algae to actually works it way up the neck that would take so time. However in just a few short weeks it can easily ruin an entire tank of fuel. One sign of algae growth "can" be a slimey clear substance, almost like hair gel, that is built up in your HFCM. It's just a safe thing to run Power Service or Stanadyne on a regular basis. I would guess the reason this does not come in diesel or course excluding stabilized winter blend. Is because most diesel trucks never have the same tank of fuel for over a week. I myself go through a tank in about 5-6days on average but if I head to the lake I will use an entire tank in one weekend..

Best of Luck,
Corey
 
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Old Oct 3, 2004 | 02:46 PM
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I normally let mine sit for 30 to 50 days all the time, run additive and never had any problem. I am extremely careful where I fill up also.
 
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Old Oct 3, 2004 | 03:07 PM
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Definitely, watch where you fill up. Myself, I will pay a little more to get the "better" fuel at large truck stops and sometimes you can get it there cheaper because they sell such large volumes. Also, in the winter they tend to treat it a little better. I always run Power Service even though I live in TX. I have found it helps with cetane levels (perfromance and mileage) and should be helping with soot levels. Also, one other question.... did the dealer say anything about the "upgrades"???
 
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Old Oct 3, 2004 | 03:25 PM
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Originally Posted by Tim Lamkin
I normally let mine sit for 30 to 50 days all the time, run additive and never had any problem. I am extremely careful where I fill up also.
Ya know Tim if you would like to lone your truck to science, you could refrain from adding Power Serivce on your next fill up, and see what the fuel is like after 50 days???

Best of Luck,
Corey
 
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Old Oct 3, 2004 | 04:05 PM
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Originally Posted by RealMenPowerstroke!
... I would advise you to add power service according to the amount of fuel you add at eah fuel up. For instance, if you refill with only 20 gallons, make sure you only use enough Power Service for that 20 gallons...Corey
Quick question (hopefully). How do you measure and add the additative when you fill your tank? Do you keep the addative in your truck all the time so that it can be added during the fillup?

My average fillup is about 20-25 gal (38gal tank). The power service addative is 32oz/100gal (.32oz/gal) so for 20 gal I would need to add 6.4 oz.

Like many others this is my 1st psd and love it but want to keep it running for a long time.

Thanks
Bill
 
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