6.0 engine swap trouble - PowerStrokeNation : Ford Powerstroke Diesel Forum
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post #1 of 21 (permalink) Old 04-07-2019, 07:53 PM Thread Starter
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6.0 engine swap trouble

Hey new on here. Kind of at my wits end with this project. Had a 6.0 that the lpop failed so instead of rebuilding the engine i swapped the engine out with a slightly newer model. Both trucks were 04s. Engines were different, old one icp in the rear of the motor, new one in valve cover. Everything went well with the swap, i got the engine harness with the new motor installed, used my old ficm, and pcm. Now what i have is a crank no start no fire issue. I think I need a newer pcm made to control the newer engine. old engine said 2003 on valve cover new one says 2004. I have swapped about everything i can think of and tried about everything i can think of. Scanguage checks out, any ideas at this point would be appreciated
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post #2 of 21 (permalink) Old 04-07-2019, 08:01 PM
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Re: 6.0 engine swap trouble

Personally I think it should still start w/ the early 04 PCM.

A scangauge is a poor code reader.

For $40 or so you can download ForScan Lite to a smartphone and get a good code reader.

Instead of saying everything checks out, please post the values for the required starting parameters.

Cam/Crank sync
FICM sync
Cranking voltage
FICM MPower
FICM LPower
Cranking rpm
Cranking ICP - pressure
Cranking ICP - volts
IPR % duty cycle
Mass Fuel desired
Fuel Pulse Width

Also, please confirm fuel flow to the secondary fuel filter w/ KOEO (and make sure there are no bubbles when the filter bowl fills up).

I assume you are getting oil pressure on the dash gauge?

Mark
06 F250 CC SB FX4 Lariat;ARPs OEM gaskets;Banks exhaust;DynaTrac Balljoints;RACCCV6000;Updated HPOP fitting;JimmiJammers;Ravelco;plugs&standpipes;Fumo to;Harpooned;Quadzilla XZT Fuel Press;Blue spring;DashDAQ;PHP_FICM; RiffRaff boots;DCPower270A XP;Inverter;Rancho7000's;BPD EGR cooler;BPD WaterPump;SCT Matts SRL+;ELC Ultra w/ filter;SynchroMax
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post #3 of 21 (permalink) Old 04-07-2019, 08:52 PM Thread Starter
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Re: 6.0 engine swap trouble

So ficm sync is 1
cranking voltage 11.5
ficm mpwr is 47.5 - 48 while cranking
ficm lpwr 11.5 while cranking
cranking rpm is 160-180
icp pressure is 17-1800psi
cranking icp volts is 1.8-2.3
ipr duty cycle is 54-58%
mass fuel is 38.1 while cranking
not sure what u mean as to fuel pulse width
and oil pressure guage goes to normal while cranking

going to check fuel filter air
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post #4 of 21 (permalink) Old 04-07-2019, 09:02 PM Thread Starter
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Re: 6.0 engine swap trouble

So also with KOEO no injector buzz or fuel pumping....
Only if i cycle key for a coulpe seconds then off to run position do injectors buzz and fuel pumps.
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post #5 of 21 (permalink) Old 04-07-2019, 09:15 PM Thread Starter
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Re: 6.0 engine swap trouble

The only thing i can think of is the old pcm is a 3c3a-12a650-bdm (dpu232a) i checked what the one for the new engine was and it is a 4c3a-12a650-atf (dpu252a). what is the big difference in these two pcms and could this b my entire issue.
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post #6 of 21 (permalink) Old 04-07-2019, 10:10 PM
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Re: 6.0 engine swap trouble

Fuel Injector Pulse Width (microseconds)
TXD: 07E0221410
RXF: 046205140610
RXD: 3010
MTH: 000800010000
NAM: FPW

It is the specific command that the FICM sends to each injector.

Do you have a "KNOWN good" FICM to try? FICM voltage and the buzz test are good, but they do not tell the entire story on the FICM functions.

I still think that the ForScan program might pull a code that the Scangauge didn't. Not a sure thing, but IMO worth checking.

Also, I forgot to ask for V-reference voltage (KOEO, and cranking).

Mark
06 F250 CC SB FX4 Lariat;ARPs OEM gaskets;Banks exhaust;DynaTrac Balljoints;RACCCV6000;Updated HPOP fitting;JimmiJammers;Ravelco;plugs&standpipes;Fumo to;Harpooned;Quadzilla XZT Fuel Press;Blue spring;DashDAQ;PHP_FICM; RiffRaff boots;DCPower270A XP;Inverter;Rancho7000's;BPD EGR cooler;BPD WaterPump;SCT Matts SRL+;ELC Ultra w/ filter;SynchroMax
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post #7 of 21 (permalink) Old 04-07-2019, 10:57 PM Thread Starter
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Re: 6.0 engine swap trouble

So the vref is 4.99 or so KOEO and while cranking.
The FPW is around 2180 while cranking.
I do not have a "good" ficm to check with but i did install a new logic board in my ficm with no change to situation.
I have a 58v ficm and the FMP only reads 48 or so volts on the scan guage, but the 4th pin in the ficm has 57volts(i checked) and also when i installed new logic board(48V) i only got 40-41v at the fmp on the scan guage.
Hope this helps
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post #8 of 21 (permalink) Old 04-08-2019, 12:31 AM
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Re: 6.0 engine swap trouble

I am unfamiliar with what to expect from a 58V FICM, so I can't help you there. The fact that you have a fuel pulse width signal is a good sign for the FICM working, but not 100% guarantee. 40-41 V FMP with the new logic board is somewhat puzzling to me.

I guess all I can recommend is to get access to a good code reader (as mentioned above).

Mark
06 F250 CC SB FX4 Lariat;ARPs OEM gaskets;Banks exhaust;DynaTrac Balljoints;RACCCV6000;Updated HPOP fitting;JimmiJammers;Ravelco;plugs&standpipes;Fumo to;Harpooned;Quadzilla XZT Fuel Press;Blue spring;DashDAQ;PHP_FICM; RiffRaff boots;DCPower270A XP;Inverter;Rancho7000's;BPD EGR cooler;BPD WaterPump;SCT Matts SRL+;ELC Ultra w/ filter;SynchroMax
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post #9 of 21 (permalink) Old 04-08-2019, 02:09 AM Thread Starter
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So would you say the best option is to contact the ppl where i got the engine and ask them for the ficm and pcm for that engine?
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post #10 of 21 (permalink) Old 04-08-2019, 02:18 AM
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Re: 6.0 engine swap trouble

You could try it. The FICM (as long as it hasn't failed in some way) shouldn't make any difference, they are all interchangeable. I just don't think it is the PCM, but I could certainly be wrong on that.

A mismatched PCM (if it is a problem) will generate codes.

Mark
06 F250 CC SB FX4 Lariat;ARPs OEM gaskets;Banks exhaust;DynaTrac Balljoints;RACCCV6000;Updated HPOP fitting;JimmiJammers;Ravelco;plugs&standpipes;Fumo to;Harpooned;Quadzilla XZT Fuel Press;Blue spring;DashDAQ;PHP_FICM; RiffRaff boots;DCPower270A XP;Inverter;Rancho7000's;BPD EGR cooler;BPD WaterPump;SCT Matts SRL+;ELC Ultra w/ filter;SynchroMax
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