Another No Start (Attn: M-Chan68) - Ford Powerstroke Diesel Forum
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  #1  
Old 09-24-2009, 05:49 PM
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Another No Start (Attn: M-Chan68)

After Reading the post from M-Chan68, and purchasing a Auto Enginuity with Ford Enhanced Package, Ive started datalogging. I gave it a shot today, but the voltage was already a little low - Ill try again tomorrow afternoon with a jump, and hopefully Ill watch the right stuff.

FICM_L: not sure what this is on A.E.

FICM_M: not sure

FICM_V: not sure

ICP V: saw it, need to monitor

ICP: my "Injector Control Pressure: goes from 0 to 1000psi at crank (seems high)

IPR Duty Cycle: 14.84% to 56.61%

FICM_SYNC: saw it, will monitor

SYNC: saw it, will monitor

V_PWR: 10.9 at key-on/engine-off, down to 8.5 at crank (will jump tomorrow)

RPM: goes from 120 up to 170

Fuel pressure ...can be measured by connecting a fuel pressure gauge to the secondary fuel filter housing port that requires a 6mm allen key to remove unless there is a way to do it through A.E.?

Hopefully Ill get some feedback before I go back out... Appreciate any help in advance.

Sean
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Old 09-24-2009, 06:16 PM
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Previous post of mine detailing the last few months (4 x no starts: 2 times towed to dealers, 1 time 4 hours of cooling off it started, the last time being the current situation).

6.0L Cranks but wont Start
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Old 09-24-2009, 07:05 PM
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Quote:
Originally Posted by 04Harley View Post
After Reading the post from M-Chan68, and purchasing a Auto Enginuity with Ford Enhanced Package, Ive started datalogging. I gave it a shot today, but the voltage was already a little low - Ill try again tomorrow afternoon with a jump, and hopefully Ill watch the right stuff.

FICM_L: not sure what this is on A.E.

FICM_M: not sure

FICM_V: not sure

ICP V: saw it, need to monitor

ICP: my "Injector Control Pressure: goes from 0 to 1000psi at crank (seems high)
Nope. That means it builds ICP pressure the way it SHOULD. How about ICP volts?

IPR Duty Cycle: 14.84% to 56.61%
Sounds dead on. On a vehicle that has a high pressure oil system leak or other causes of low ICP, IPR duty cycle will max out at 84.77% and still not be building sufficient ICP to start.

FICM_SYNC: saw it, will monitor

SYNC: saw it, will monitor

V_PWR: 10.9 at key-on/engine-off, down to 8.5 at crank (will jump tomorrow)
Yes. I agree that system voltage is definitely on the low side.

RPM: goes from 120 up to 170

Fuel pressure ...can be measured by connecting a fuel pressure gauge to the secondary fuel filter housing port that requires a 6mm allen key to remove unless there is a way to do it through A.E.?
Fuel pressure needs to be measured manually by installing a pressure gauage. There is no sensor on a 6.0L that inputs fuel pressure information.

Hopefully Ill get some feedback before I go back out... Appreciate any help in advance.

Sean
I'd be leaning more towards a failed FICM by the sounds of things. Post your findings on the three FICM voltages.
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Old 09-25-2009, 07:00 AM
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Quick Update... Im getting a trailer from a friend this afternoon:
(ive attached the file as well)


FICM_L: 13-13.5 at Key On to 10.5-11.5 at crank

FICM_M: 47.5 at key on to 48 at crank

FICM_V: 13.5 steady at key on, 10.5-11.5 at crank

ICP V: .25 at key on, then around 1.4 at crank

ICP: 0.57psi at key on to 1145.00ish

IPR Duty Cycle: 14.84% to 43.61ish%

FICM_SYNC: 0 at key on, stays at 0 during cranking

SYNC: didnt see a generic "SYNC" as an available sensor on Enginuity

V_PWR: 13.5 at key-on/engine-off, down to 11ish at crank

RPM: between 130 and 170

Fuel pressure ...havent dug into this just yet
Attached Files
File Type: doc 25SEP Enginuity.doc (57.0 KB, 58 views)

Last edited by 04Harley; 09-25-2009 at 07:05 AM. Reason: add file
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Old 09-25-2009, 02:17 PM
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Further more - Im getting a "0" through key on, engine off and crank for the camshaft/ crankshaft sync, which I presume means no sync there either.

Injector Timing ( in Degree BTDC) goes from "0" at key on, engine off to 8.83 at crank ( I was looking for a time in miliseconds, so Im not sure of the conversion here, or if this is even the same sensor.
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Old 09-25-2009, 07:27 PM
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What is the model year of the vehicle in question? Based on the information you've provided, the cause of your truck not starting is due to the PCM not seeing cam/crank signals. Your FICM PIDs are well within specs, as are your ICP readings and IPR duty cycle. The next step is to remove the driver side battery cover to access and disconnect the PCM connector #1381C (the middle one of the three connectors). Start by checking the resistance between pin 31 (red) and pin 43 (orange). Those are your cam sensor + and - circuits repectively. The resistance should be between 800 to 1100 Ohms. Next, check the resistance between pin 30 (dark blue) and 41 (grey). Those are your crank sensor + and - circuits respectively. The resistance should be between 300 to 400 Ohms. You should also check all four of those circuits for continuity to ground while you're at it too. Be careful when probing the female cavities of the circuits in question, so as not to spread them.
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Old 09-26-2009, 04:58 PM
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2004 - and I dont know the build date off hand, but I know every time I reference something its based on the "later" builds with the 04 parts rather than early 04s with 03 stuff.

Ill get on that PCM troubleshooting in the morning.

Really appreciate all the help so far.


Sean
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Old 09-26-2009, 06:11 PM
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Send a message via Yahoo to chuckles
Good info here. I think i'll pick up the AE program. Looks pretty thorough.

M-Chan. But what if I like to "spread female cavities"???
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Old 09-26-2009, 06:40 PM
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Quote:
Originally Posted by chuckles View Post
M-Chan. But what if I like to "spread female cavities"???


Oh.............. you mean THOSE female cavities. Well then, I with you all the way............ err I mean any HOT LOOKING FEMALE, ALL THE WAY (see my signature).

Last edited by m-chan68; 09-26-2009 at 07:23 PM.
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  #10  
Old 09-27-2009, 06:15 PM
LDH LDH is offline
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What is the AE program?
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