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03 6.0 ficm questions

Discussion in '6.0L Powerstroke Diesels' started by Oledirtypearl86, Sep 13, 2019.

  1. Oledirtypearl86

    Oledirtypearl86 Full Access Member

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    Ok so my excursion passed an air test and I talked to a buddy he said check the ficm do cranking I get between 45 an 48 volts but the injector cycle at first key is eratic any who I had a new/rebuilt ficm I can try but it says it needs re flashed what's dothey flash on the ficm?and can I run it unflashe? The reason I ask is I herd they actually run better is this fact or fiction
     
  2. bismic1

    bismic1 Full Access Member

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    Where did you buy the FICM? They come flashed (programmed) from Ford (and most other places as well). They do not need to be specifically programmed to your engine.
     
    Last edited: Sep 14, 2019
  3. Oledirtypearl86

    Oledirtypearl86 Full Access Member

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    It's a international reman from napa where I work
     
  4. snicklas

    snicklas 6.0 and Loving It!! Staff Member

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    So, is it a VT365 Spec'ed FICM for an International Truck

    Or is it a 6.0 Spec'ed FICM for a Ford Truck?

    IH and Ford run different programming for the engines. If it's indeed for an IH Medium Duty Application, it may very well need reflashed. I've not had to do a flash on mine, when mine failed, I sent it off and got mine fixed.

    If it's an IH application, I don't think the Ford Computer can talk to it. A reflash will make it so it works, because ita software diference, not hardware. If it's a Ford Speced one, it should at least run.
     
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  5. Oledirtypearl86

    Oledirtypearl86 Full Access Member

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    I will look at it more when I get home I just seen the sticker that said it was a Ford spec but needed a flash to meet emissions and such I put it in last night just didn't try it
     
  6. bismic1

    bismic1 Full Access Member

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    I would just try it!
     
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  7. Oledirtypearl86

    Oledirtypearl86 Full Access Member

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    So I just tryed it the voltage is a solid 48 v no fluctuating and its trying to start you can here it but it's acting like it's our of fuel oh an the new icp sensor my cranking pressure is like 1200+ psi and the ipr is at just shy 15% any ideas I'm at a loss right now
     
  8. bismic1

    bismic1 Full Access Member

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    Open up the secondary fuel filter bowl and remove the filter. Have someone tun the key on while you watch the bowl fill with fuel. It should fill pretty quickly.

    A fuel pressure gauge would be a good thing to have as well.

    Lastly, you might try a bubble test. Pull the FICM relay and try cranking w/ the secondary fuel filter bowl filled and the filter removed. Crank with the starter solenoid wire jumpered to the passenger side positive battery terminal (that way the fuel pump won't turn on and the glow plugs won't operate). Look for bubbles when cranking. There are youtube videos on doing this.
     
  9. Oledirtypearl86

    Oledirtypearl86 Full Access Member

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    What does a bubble test test for just at bad injectors? Sorry for the stupid questions I'm a information junkie
     
  10. bismic1

    bismic1 Full Access Member

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    It tests for an injector allowing combustion gas to flow backwards which will restrict fuel from flowing to all 4 injectors on that side.
     
    Last edited: Sep 16, 2019
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  11. Oledirtypearl86

    Oledirtypearl86 Full Access Member

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    Oh make sense to me
     
  12. Oledirtypearl86

    Oledirtypearl86 Full Access Member

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    Well got the old 6.0 running after pulling the secondary fuel filter I turned the key and never built any fuel pressure so I checked the primary filter and swapped it with a new Moto craft and low and behold she fired up and ran great for an hour or so today I'll take her out for a rip down the road and see how she runs. @bismic1 thank you for the advice
     
  13. Thewespaul

    Thewespaul Supporting Vendor Supporting Member

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    K.I.S.S

    At least it was a cheap fix!
     
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  14. Oledirtypearl86

    Oledirtypearl86 Full Access Member

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    True I seem to over think it sometime
     

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