need a little help - PowerStrokeNation : Ford Powerstroke Diesel Forum
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post #1 of 6 (permalink) Old 10-26-2018, 11:09 PM Thread Starter
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need a little help

2003 f250 6.0

hard to start and runs rough unless i unhook the #7 injector.
then it will start right up and idle.

so i swapped #3 and # 7 injectors to see if i had a faulty injector.
nope still have to unplug #7 to get to run.

while it is running and u try to connect #7 back up it will stutter and die.

so i had it running and unhooked #5 and put #7 connector on 5 and it died.

so i took the injector harness off and ohmed it out and no shorts.

FMP is 48

any ideas????
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post #2 of 6 (permalink) Old 10-26-2018, 11:30 PM
"resident smarty pants"
 
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Re: need a little help

FICM power board (source for 48V) isn't the only area of potential failure of a FICM.

Can you try (borrow) a known good FICM?

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 6 (permalink) Old 10-26-2018, 11:35 PM Thread Starter
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Re: need a little help

my buddy has one in a 04. i assume it would be the same?
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post #4 of 6 (permalink) Old 10-27-2018, 12:32 AM
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Re: need a little help

It would work fine.
jerryridge likes this.

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 #5 of 6 (permalink) Old 10-27-2018, 07:02 PM Thread Starter
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Re: need a little help

ended up being the ficm. swapped it with a good one and truck started and runs good.
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post #6 of 6 (permalink) Old 10-27-2018, 07:07 PM
"resident smarty pants"
 
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Re: need a little help

Good deal. Glad to help. Appreciate the "like".

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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