Originally written by genebob on 2010-04-02 7:49 PM

HTB- May I echo Gard and say "WELCOME BACK!" I was just thinking about you again the other day. Had a feeling you were still out there. Please get involved and post more often again.

Thanks to both of ya'll.

Still here and after seeing this one about a diesel truck issue, I couldn't keep out.

Their truck is fine!

I just got my 04 Ford F-350 with the 6.0 diesel outta the shop..the bucking/back firing  was carbon build up  in the turbo ..the mechanic ( a friend of ours) says he does 2-3 a week for this problem..the ports inside either stick open or closed..he did a major clean up and I have to say the truck is running like a scalded dog now...WAHOOO !!  I hooked up and hauled yesterday to ride with friends and she ran like she did when we first got her...  so now I am ready to "hit the trails"....  :)

Did he let you know what causes this problem?  If not, I will.....  EGR mess on these trucks are the MAIN problem causing turbo soot build up, then second on the list in improper oil or oil changes.

hey i am new on here and i read posts all the time, so i had to join to become part of this thread.  i have an 08 F250 with the 6.4 motor and i love it so far.  like others have said all the epa crap theat they put on trucks now its hard to make them work the way they should. i go on powerstrokenation.com to educate myself on these trucks, and i am currently saving to delete the dpf and get some tunes. but until then i have pulled some weight with the truck and it has handle it well. i am so excited for the day when i delete this epa junk, gain about 4 mpg and more power. spartan, h&s black maxx, and sct with eric's custom tunes are the only true programming that will not kill the truck.  also on a side note i was told not to go over 5k miles for oil changes especially on the 6.0 because with the heui injection system which uses engine oil to operate the injectors it gets abused much more than a common rail set up.  and as far as turbos go that are variable geometry it is good to put your foot into it (unloaded) to make the vanes move their full range of motion. that way it is more difficult for junk to build up in there. sorry i rambled on but i hope i put some good info out there. good luck

First off the 5-k is up to the person, driving conditions and oil being used.  My personal truck (07.5 Dodge Ram with the 6.7 motor) before I did the DPF delete and programmer I would only go 4-k miles because the oil would get so nasty, now that I have the upgrades I am going on 6-k miles and the oil still looks good.

On the 6.0 trucks I started using a syn. oil because of the injectors on these trucks.  I noticed before that in the colder weather I would get a little smoke and rough idle on start up but after changing to syn oil they start up with no smoke and run smooth. 

Check out powerstroke.org also.

We drove our Dodge over the weekend unloaded with a combination of hwy and city and after 1 full tank hand figured I got 18.9mpg.  Not bad for a 1 ton quad cab that weighs 8800lbs and that is with the H&S programmer set on a 120hp.

The ERG systems on these trucks are crap.  I really find it hard to believe that bio fuel caused the problem, you would start having trouble in the fuel system before you would in the turbo.  Bio fuel is really HARD on the Ford injectors.  However the egr would cause turbo issues because they recirulate spent exhaust gases back through the engine.

One sure fire way to prevent the turbo from building up soot/carbon would  be really blow it out every once in a while and the main thing is to let it run a few mins before you turn it off to let the turbo cool down after long drives or when towing this will really cook the oil and crap that the turbo collects if you just turn it off right away.

Glad to here you got it fixed, most people would start calling names and throwing things at them......

Read my other post for some details I give you to help solve the problem later.

Go to www.powerstroke.org.  They have one section just for the 6.4L trucks.

What leads you to believe you may have or maybe having injectors issues with you 6.4?  From what I am understanding about these engines, they have some of the best injectors Ford has offered, unlike the 6.0's which a really touchy.

The problems with the 6.4's is more with the egr and DPF causing the truck to go into regen mode from soot or carbon getting build up on the turbos and in the DPF.  The regen is to make the computer run the truck at a higher rpm and run hotter to burn off the extra.  The problem is most of the time is the regen does not stay on long enough or the truck is turned off before the regen is completed and the soot or carbon then bakes on the turbo and DPF causing the build up over time.

Additive:  Actually in my opinion you should not be having to use much if any at all.  Maybe some power service (white bottle) in the winter months but not every tank.

I understand how that can happen.  When I first seen your post a looked over all of the replies and see a few talking about their 6.0 trucks, which you can not compair.

Attend too?  In my opinion if you are going to leave your truck 100% stock with the egr and DPF, I would drive it alitte harder.  Not meaning go race it or drive like a teenager while loaded.  Drive it harder and while on the hwy don't be afraid to step on it now and then to pass someone. (or in english do not drive like you are on a Sunday drive with nowhere to go)

Or If it was mine, I would rid of the extra mess and enjoy the better preformance and fuel mileage.  That's what I did with our Dodge and no more regen. 

What this means is it makes the truck run like Ford should have done to start with.  If you know alittle about working on vehicles you can do it.  These kits removes the DPF, unplugs (or turns off with the programmer) the egr and installs a programmer (which can be left on the stock hp setting) to program the computer  for the aftermarket adjustments.

Yes, actually it would void your warranty, but only if you take it to a dealer for service with the adjustment left on the truck.

My trucks I do all of the work on myself.  But the kit I use it takes me and 1 buddy just under an hour to return it back to stock with no signs of adjustments, then after the warranty work is done it takes the same hour to reinstall the good stuff..

My fuel mileage gains it well worth the price.  I went from around 15mpg unloaded to 18.9 with a combination of driving in town and hwy.  Yes all hand figured mileage!  I have not actually figure my mileage loaded yet, but I do have way more power and do not have to use my tow/haul mode any longer.

Thank You,

Finally some that knows what I am talking about......  One thing, on the injector issue, the "big 3" has said "that the newer DPF equiped trucks have injectors that are designed to run on ultra low fuel with no problems"

Which I am like you and I find that hard to believe, but still would not use any type of fuel treatment with the DPF still installed on the truck unless I just absolutly had too.....

Same goes for older trucks but just the other way.  The older trucks need more lube so it is almost a must to run some sort of treatment all the time.  I know my older Ford IDI trucks start leaking fuel around the o-rings and loss power if I do not use a treatment (tranny fluid) or farm fuel in it, then as soon I the treatment or farm fuel runs through the system everything s back to normal again.

So we must thank the dear ol' EPA for their lack of help.