'05 6.0 lagging on acceleration from stop - Ford Powerstroke Diesel Forum
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post #1 of 14 Old 11-25-2012, 02:34 PM Thread Starter
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'05 6.0 lagging on acceleration from stop

Went out for a drive today. After about a half an hour of 40 to 60 mph steady driving, occasional stopping, I started to feel a "dead pedal".
After being at a stop light for about 20 seconds, I would try to accelerate and the truck would begin to go and then back down as if I lifted off the throttle. I maintained the same acc. pedal position and eventually after about 10 seconds, the engine came to life and off I went. Then again at the next stop, same thing but this time let off the fuel for a couple of seconds, didn't seem to make any difference! Foot to the radiator on the fuel made no response either.
No CEL on, but had cyl. 1 to 8 inj circuit codes. Is this bad ficm?? any help is greatly appreciated.

'05 F-350 King Ranch, lost the muffler.
can't find my cat???
SCT tuner, 58V Bulletproof Diesel 6 phase FICM upgrade

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post #2 of 14 Old 11-25-2012, 03:12 PM
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Good chance it could be the FICM.
http://www.swampsdiesel.com/site/how...oltageTest.pdf


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X-3 tunes by DJ'S,QT,GH,ID. Gryphon FICM tunes, ARP studs,Stage 1turbo,ATS coolant recirc lines,Swamp's 48v ficm,coolant filter,AD2,Snow Perf stage II,EGR delete,4" turbo back straight pipe,S&Bintake,Quad "A" pillar autometer gauges,Suncoast Tri Disk Conv.,Billet input shaft,Suncoast superduty rebuild kit,Trans-go shift kit,Mag-Hytec trans pan,CFM+ elbow,ccv mod,15K reese 5er,17" LCD TV/DVD,Cobra 29 Nitewatch CB
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post #3 of 14 Old 11-25-2012, 05:22 PM Thread Starter
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Had SCT xs mileage tune on while all this went on. Just went back to stock file. See how things go, although I doubt the sct tune had anything to do with driveability, as I had the tune on for 3 months now.

'05 F-350 King Ranch, lost the muffler.
can't find my cat???
SCT tuner, 58V Bulletproof Diesel 6 phase FICM upgrade

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post #4 of 14 Old 11-26-2012, 10:42 PM Thread Starter
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Ok, so I went back to the stock files. Went for a short drive, everything seemed normal until engine got warm. Then it started to act up again, but this time I could see the exhaust. Huge clouds of white and black smoke when I push the accelerator even lightly, yet no power at all. I couldn't even climb the gentle slope of my driveway to park the truck. I let it cool down for a bit and then it would go again. The exhaust smelled like unburnt fuel, not anti-freeze. Still no CEL. Looks like i'm shopping for new ficm!

'05 F-350 King Ranch, lost the muffler.
can't find my cat???
SCT tuner, 58V Bulletproof Diesel 6 phase FICM upgrade

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post #5 of 14 Old 11-27-2012, 04:21 AM
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Don't throw parts at it by guessing. Test the FICM first!! Unburnt fuel smell is also a symptom of a stuck injector.

Using the SCT or any generic code reader may not show the enhanced codes. You'll need a better scan tool to check for codes. SCT isn't that good of a code reader.


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X-3 tunes by DJ'S,QT,GH,ID. Gryphon FICM tunes, ARP studs,Stage 1turbo,ATS coolant recirc lines,Swamp's 48v ficm,coolant filter,AD2,Snow Perf stage II,EGR delete,4" turbo back straight pipe,S&Bintake,Quad "A" pillar autometer gauges,Suncoast Tri Disk Conv.,Billet input shaft,Suncoast superduty rebuild kit,Trans-go shift kit,Mag-Hytec trans pan,CFM+ elbow,ccv mod,15K reese 5er,17" LCD TV/DVD,Cobra 29 Nitewatch CB
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post #6 of 14 Old 11-30-2012, 07:59 PM Thread Starter
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Ok, Checked out the truck today. Removed the de-gas bottle and busted the plastic "y" pipe that is just below it, LOL & PMO!! Just my luck as it is about -10C outside and snowing today here. Long story short, checked for min 45 V at ficm and got 32 V. Yanked the ficm, took it apart. That glue, insulator, orangy yellow crap is all over the power supply board!! Got my daughter's hair dryer out and went at it. Got most of it off including the two resistors that are between the coils, one on either side of dead center. The other side I could see no problems. I re-set the loose resistors and soldered them back to the board, and just re-enforced the others on the other end. Touched off the "caps" and put all back together. Tomorrow I'm going to add in dash ficm voltmeter and fix my mishap cooling hose issue. Let you know how it goes soon!!

'05 F-350 King Ranch, lost the muffler.
can't find my cat???
SCT tuner, 58V Bulletproof Diesel 6 phase FICM upgrade

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post #7 of 14 Old 12-09-2012, 11:05 AM Thread Starter
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Really bummed out now!!
I received the new FICM power supply from Bulletproof Diesel.
I put everything back together and installed upgraded ficm on the engine.
Keep in mind that BEFORE I did anything!!... I checked for codes, and got p0611, and all injector codes, p0261, p0264, p0267, etc to p0282, and finally a p0677
The p0677 is there for the #7 glow plug which needs to be changed out.
Receiving all these injector codes and the P0611, I started to dig a little deeper.
I removed degas bottle and removed cover plate on ficm.
The voltage checked out at only 32V!!
Thought that would explain everything. I then removed the FICM.
Took it apart and found that 2 resistors detached from the board along with a few other parts.
I opted to go online and ordered BPD's 58V 6 phase Power supply, and WOW!!
What a piece of beauty!! Honestly the best money I have spent on my truck yet!!
Now truck starts great, and idles smooth and quiet!!
However, it still will not accelerate, rev up, and smoke from exhaust=doesn't smell like coolant.
If I let it idle, it is ok, but as soon as I throttle up, even gently, the engine dies down and stalls.
I had previously cleared codes, and P0611, P0404 and P 0677 come back.
Any help, PLEASE!!!

'05 F-350 King Ranch, lost the muffler.
can't find my cat???
SCT tuner, 58V Bulletproof Diesel 6 phase FICM upgrade

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post #8 of 14 Old 12-09-2012, 12:08 PM
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Have you cleaned your EGR lately, or at all?

The FICM and Glow-plug could be wiring or loose connectors. Did the glow plug check bad when you removed it?

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Stiction Problems - Fix it yourself! - http://www.powerstroke.org/forum/gen...ml#post4509754
Want to modify your injectors DIY - http://www.powerstroke.org/forum/6-0...ger-flows.html

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post #9 of 14 Old 12-09-2012, 03:29 PM
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sounds like you need a new accelerator pedal...
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post #10 of 14 Old 12-09-2012, 03:33 PM
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Turbo sticking?


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