Do I need a fuel pump? - Ford Powerstroke Diesel Forum

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post #1 of 11 Old 05-06-2013, 09:22 PM Thread Starter
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Do I need a fuel pump?

Been searching the threads and the more I read the more confused I get

Today I took the truck out - started fine - left the house - got about 15 miles down the road.

The truck started to shudder. Which had occasionally happened before (usually when the engine was not fully warmed up and hitting the highway). Dropping it out of overdrive for 30 seconds or so would usually solve the problem. So I thought maybe the trans was on its way out.

So I dropped it out of OD. Seemed to work. Then a couple miles down the road it did it again. Then it started doing it more an more. Then the truck was doing it in all gears.

The truck kept loosing more and more engine power and finally shut down (of course on a 4 lane highway with only half a shoulder).

Waited half an hour. It would crank fine but no start.

Called BCAA and had it towed home. (that's a whole other rant - make sure you get a flat deck to haul your truck).

So for the heck of it I went and got a fuel filter. When I changed it I noticed that the fuel was almost black. It was the first time for me to personally change it. When I watched a video online on how to change the filter the fuel in the bowl looked clear?

Changing the filter didn't change anything. Truck cranks over good and is trying to fire but doesn't

Have had hard starting issues before (left over 24 hours it was very hard to start) but over the last few weeks it seems to have gone away.

Have changed the GP relay - Glow plugs - Wiring harnesses and new batteries. Changed over to synthetic oil and yes as many have stated it definitely helped the engine to start better.

Recently bought the AutoEnginuity program. Haven't had a chance to learn it yet but I put it on the truck to see if I could get any codes.

I've attached the pics of what I saw. There's a fuel pump code but there was fuel in the bowl. Any help would be appreciated. Thanks.
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2000 F350 CC 4x4 Dually
Lots of stuff done - lots more to do.
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post #2 of 11 Old 05-07-2013, 06:17 PM
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It sounds like the Under Valve Cover Harness... I had a similar issue... 50 cent Mod could fix you up if they have worked themselves loose.

2000 CC SWB 4x4
CCV Delete Mod, Zener Diode, Boost Tube, Hot Side MAP, DIY Intake, 120HP Programer, Modded 09' Tail Lights, DieselSite 203* Thermostat and Aluminum Housing, 5" Diamond Eye turbo back straight pipe, 50 Cent Mod
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post #3 of 11 Old 05-08-2013, 04:41 PM Thread Starter
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It was the fuel pump. Put in a new one - primed it and the truck fired right up

Thanks to Joel for pointing me in the right direction.

2000 F350 CC 4x4 Dually
Lots of stuff done - lots more to do.
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post #4 of 11 Old 05-08-2013, 05:19 PM
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Sure you don't have junk in the tank clogging it up?



2000 F-350 Lariat Super Duty, Dually, CCLB, 7.3L
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post #5 of 11 Old 05-08-2013, 05:54 PM Thread Starter
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The pump that was in was totally dead.

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post #6 of 11 Old 05-08-2013, 08:53 PM
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did you notice any exhaust smoke before you changed the fuel pump?
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post #7 of 11 Old 05-08-2013, 10:21 PM Thread Starter
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On occasion there has been white smoke. Usually the longer it sat the more smoke.

There was no smoke when cranking it over after it died.

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post #8 of 11 Old 05-09-2013, 07:14 PM
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Brownish grey smoke means lack of fuel for one reason or another. Your diesel fuel should not be black. Either your tank is really contaminated, or you have a failed injector oring somewhere in the engine. I would bet on an injector oring.

[SIGPIC]

99.5 F-250 4x4, 7.3 PS
Engine:
State 1 injectors from Rosewood, GT38 (van) turbo, S&B intake, Comp Cam's 910 valve springs, Smith Brothers pushrods, AIH delete TS 6-position chip. Pyro.

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Future Mods:
Edge CTS monitor, and 4" Exhaust (Manufacturer to be determined).
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post #9 of 11 Old 05-10-2013, 11:56 AM Thread Starter
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The fuel coming out of the tank was clear. I am also betting on the O-rings. Just had a shop do the passenger side ones a few thousand miles ago.

So this summer I will try and attempt to do the driver's side bank myself to see if I can save some money.

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post #10 of 11 Old 05-10-2013, 03:42 PM
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They aren't all that bad, just have to be careful to get the oil out of the cylinders after pulling the injectors. PM me if you want and I can help you through it.

[SIGPIC]

99.5 F-250 4x4, 7.3 PS
Engine:
State 1 injectors from Rosewood, GT38 (van) turbo, S&B intake, Comp Cam's 910 valve springs, Smith Brothers pushrods, AIH delete TS 6-position chip. Pyro.

Body:
2005 front end conversion, 2008 tailgate, taillights, and rear bumper.

Future Mods:
Edge CTS monitor, and 4" Exhaust (Manufacturer to be determined).
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