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FUEL ISSUES AND NEED HELP!!!

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Old Mar 14, 2016 | 10:13 AM
  #1  
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From: Kremmling, Colorado
FUEL ISSUES AND NEED HELP!!!

First hard pull of the season-

Hauling my 36' gooseneck toyhauler to the dirtbike races in Colorado Springs this weekend and it was not a fun time. Long list but please read thru and if you help I'd sure appreciate it.

--I filled up at a certain stating that will no longer get my business

--On the initial pull to the races my truck was running very low boost and I ended up having to use first gear to finish my pull up the pass. After that it started to run a little better and the next pull up the next pass wasn't quite so painful. I stopped at a parts store to get some BG diesel injector cleaner and that helped.

How long should I run clean diesel thru this to clean the system so I can get good fuel pressure

The truck EGTs were hitting 1200 (which has been rare) so I had to keep backing off.

Boost on the stock setting was 5-10 PSI, Tow setting was a little more but EGTs were not where I wanted them.

How else can I get my fuel pressure back to where it needs to be if the injectors and fuel filter are clean. I just put a new one in. Also, is it possible to clean a new filter. I know that my be a dumb question but holy crap are those expensive.

Since the EGTs were getting hot ( I didn't run it hot, I backed way off to a 1000) I'm guessing that I was under fueling (running lean?), I know I wasn't over fueling as there was no excessive black smoke.

Also my trans temps stayed under 200, 190 being the highest.

Any advice or suggestions? My next race is in a few weeks and it's another long pull over a few high Colorado passes from Kremmling, CO down to Pueblo, Colorado.

The truck ran great all winter pulling my snowmobile trailer but after filling up at a certain station it started running worse. So that makes me think it was s@#t fuel and made my fuel system dirty. The truck is an 03 f250, which I geared down to allow me to pull the heavy trailer easier. This same trailer and truck last season I was pulling passes at 50-55 and not 30mph.

How involved and expensive is pulling the pickup in the fuel tank.
 
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Old Mar 14, 2016 | 10:20 AM
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Search "Hutch/Harpoon mod" and you will see literally hundreds of FTE users that have pulled the fuel tank, including myself.

Here is a quick write-up on the procedure.

Welcome to guzzle's In-tank Hutch Mod Web Page

Here is the post related to when I performed the mods.

https://www.ford-trucks.com/forums/1...ne-almost.html
 
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Old Mar 14, 2016 | 10:49 AM
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Sounds like you suspect you got a tank of bad fuel to me & if that's the case & you have not ran the whole tank of fuel out I'd siphon what's left out of the tank. After that I'd make sure & fill-up with good fuel & change the fuel filter. You could be lucky maybe & just drain the fuel bowl & be all right but I'd bet you will need to change the filter.

Have you checked the fuel pressure with a gauge ?

Like Sous says maybe just go ahead & "do it"
 
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Old Mar 14, 2016 | 10:53 AM
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From: Kremmling, Colorado
Originally Posted by Sous
Search "Hutch/Harpoon mod" and you will see literally hundreds of FTE users that have pulled the fuel tank, including myself.

Here is a quick write-up on the procedure.

Welcome to guzzle's In-tank Hutch Mod Web Page

Here is the post related to when I performed the mods.

https://www.ford-trucks.com/forums/1...ne-almost.html
About how much time should I block out to get this done?
 
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Old Mar 14, 2016 | 10:58 AM
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From: Kremmling, Colorado
Originally Posted by cj45lc
Sounds like you suspect you got a tank of bad fuel to me & if that's the case & you have not ran the whole tank of fuel out I'd siphon what's left out of the tank. After that I'd make sure & fill-up with good fuel & change the fuel filter. You could be lucky maybe & just drain the fuel bowl & be all right but I'd bet you will need to change the filter.

Have you checked the fuel pressure with a gauge ?

Like Sous says maybe just go ahead & "do it"

I have not checked fuel pressure. Honestly I really don't know how. I'd like to have a fuel pressure gauge so I can monitor it at all times.
 
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Old Mar 14, 2016 | 11:37 AM
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There are two ports on the back of the fuel bowl, one is for pre-filter reading and one is post filter.

http://www.riffraffdiesel.com/fuel-pressure-0-100-psi/
 
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Old Mar 14, 2016 | 11:57 AM
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From: Kremmling, Colorado
Originally Posted by HKusp
There are two ports on the back of the fuel bowl, one is for pre-filter reading and one is post filter.

Fuel Pressure 0-100 PSI
Which port do you recommend and what pressure am I hoping to see?
 
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Old Mar 14, 2016 | 12:23 PM
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OT PJ, but I have a good friend that lives in Krem.

Do you know a Buck Mcnichols???
 
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Old Mar 14, 2016 | 12:25 PM
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If I read you first post correctly, boost was between 5-10 psi, if so you have a boost leak or a air restriction. You should be @ 15-17 psi of boost ramming up that grade.
 
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Old Mar 14, 2016 | 12:26 PM
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From: Kremmling, Colorado
Originally Posted by DieselDenny
OT PJ, but I have a good friend that lives in Krem.

Do you know a Buck Mcnichols???
yes. I know him as Kenny
 
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Old Mar 14, 2016 | 12:29 PM
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From: Kremmling, Colorado
Originally Posted by white Buffalo
If I read you first post correctly, boost was between 5-10 psi, if so you have a boost leak or a air restriction. You should be @ 15-17 psi of boost ramming up that grade.
I'm going to check my boots when I get home. They are as old as the truck so might need replacing. Would that also cause the higher than normal EGTs though?
 
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Old Mar 14, 2016 | 12:44 PM
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Originally Posted by PJ-Hunter
Which port do you recommend and what pressure am I hoping to see?
Use the lower pre filter port. Its a $4 ORB fitting. You can use a cheap grease whip and gauge to run it up onto your hood for WOT monitoring, or install a shrader valve to use a simple tire gauge. Running a fuel pressure gauge in these trucks is not a bad idea either. If you do, most oil sending units work fine for diesel and cost half as much as the fuel units.

Originally Posted by PJ-Hunter
I'm going to check my boots when I get home. They are as old as the truck so might need replacing. Would that also cause the higher than normal EGTs though?
Start there. Pressure test the system. 5-10 is incredibly low and was likely a very painful towing experience, let alone an unloaded driving experience.

Also where is your pyro installed?

Im down in Parker, go through Kremmling a bit camping and hunting? What do you race? PMP next round?
 
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Old Mar 14, 2016 | 12:53 PM
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From: Kremmling, Colorado
Originally Posted by nossliw
Use the lower pre filter port. Its a $4 ORB fitting. You can use a cheap grease whip and gauge to run it up onto your hood for WOT monitoring, or install a shrader valve to use a simple tire gauge. Running a fuel pressure gauge in these trucks is not a bad idea either. If you do, most oil sending units work fine for diesel and cost half as much as the fuel units.



Start there. Pressure test the system. 5-10 is incredibly low and was likely a very painful towing experience, let alone an unloaded driving experience.

Also where is your pyro installed?

Im down in Parker, go through Kremmling a bit camping and hunting? What do you race? PMP next round?
I hunt yes. Archery
I race to CORCS series (kids,wife and myself)
next race is somewhere near Pueblo. I guess it's a suprise. who knows?

I'll have to send you a photo of where pyro is

I have a pressure tester but haven't really used it. Is the system supposed to be airtight? I don't really know how to use it to be completely honest
 
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Old Mar 14, 2016 | 01:09 PM
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Originally Posted by PJ-Hunter
I hunt yes. Archery
I race to CORCS series (kids,wife and myself)
next race is somewhere near Pueblo. I guess it's a suprise. who knows?

I'll have to send you a photo of where pyro is

I have a pressure tester but haven't really used it. Is the system supposed to be airtight? I don't really know how to use it to be completely honest
Sorry that was my typo. I go up near Craig every couple weeks through Kremmling... wasn't supposed to be a question mark. My apologies.

Good luck with the racing. I bet you will be down at PMP then.

Here is what a quick google search netted... he went a bit overboard but as you can see its very straight forward for testing boost leaks. Make sure to plug the CCV tube as well.... a cheap cap can be made out of a pvc cap with a cheap pressure gauge and standard air hose fitting.


Typical leaks are at the worm drive clamps and the y pipe boots, use t bolt clamps and you can get all new boots from RiffRaff diesel. Plenums leak as well on higher mileage trucks.

Regarding the pyro I only asked because at 5-10 psi towing that trailer over rabbit ears or through Eisenhower I'd think you would be over 1200easily with such low boost at altitude. I'm guessing is in your down pipe then.... not the manifold pre up pipe.

A stock truck in CO should be 17-20psi depending on health of the motor and supporting systems.
 
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Old Mar 14, 2016 | 01:36 PM
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From: Kremmling, Colorado
Originally Posted by nossliw
Sorry that was my typo. I go up near Craig every couple weeks through Kremmling... wasn't supposed to be a question mark. My apologies.

Good luck with the racing. I bet you will be down at PMP then.

Here is what a quick google search netted... he went a bit overboard but as you can see its very straight forward for testing boost leaks. Make sure to plug the CCV tube as well.... a cheap cap can be made out of a pvc cap with a cheap pressure gauge and standard air hose fitting.


Typical leaks are at the worm drive clamps and the y pipe boots, use t bolt clamps and you can get all new boots from RiffRaff diesel. Plenums leak as well on higher mileage trucks.

Regarding the pyro I only asked because at 5-10 psi towing that trailer over rabbit ears or through Eisenhower I'd think you would be over 1200easily with such low boost at altitude. I'm guessing is in your down pipe then.... not the manifold pre up pipe.

A stock truck in CO should be 17-20psi depending on health of the motor and supporting systems.

I sent you a PM. Shoot me your number please, I'd like to actually talk and try getting this figured out. We don't have a decent shop up here at all. One guy is an idiot, literally and the other is a crook. I don't trust either.

Thanks,
Ralph
 
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