Ficm Blues - Ford Powerstroke Diesel Forum
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post #1 of 33 Old 01-02-2011, 02:27 PM Thread Starter
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Question Ficm Blues

So I got a new ficm and I still have the cold start and runs ruff until warm. I tested my ficm and koeo it reads 48 volts. Now when I start the truck it only reads 38 volts. If I beefed it up to 58 volts would this help me out or do anything at all.?

2003 F350 Lariet Leveling kit eagle 197s MBRP stainless tb to 6" stack Sinister coolant kit Sct with Looney and Innovative High Idle fog light and bright box mod soon to come Edge CTS PHP ficm tuning and Cab lights
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post #2 of 33 Old 01-02-2011, 02:38 PM
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Where did you get the FICM? Shouldn't drop to 38
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post #3 of 33 Old 01-02-2011, 02:43 PM Thread Starter
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A member on here he said it worked perfect when he took it out. Is there anything else that could make it drop like that? Glow plug module? Truck has new alternator and both batteries less than a year old.

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post #4 of 33 Old 01-02-2011, 02:45 PM
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You got sold a bum FICM more than likely

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2011 F150 Ecoboost Crew cab lariat. Custom tunes from KEM and 5Star, and Unleashed
2012 F150 Crew Cab Ecoboost stock for now-Totaled March 12 2015
2006 F250 ECSB Lariat 4x4

Leveling kit, 315/70/17 Kelly TSRs on Method race wheels
ARP studs and OEM gaskets done by Renegade Diesel
ECM and Atlas 40 FICM tuned by Bill at PHP SCT tunes by Truck Source Diesel. Gearhead, Innovative, Wildman and Tyrant diesel
Flowmaster/MBRP Hybrid Exhaust
Edge Insight CTS
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Bulletproof diesel FICM EGR Delete, Oil Cooler and Water Pump, and Light bar.
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http://www.bulletproofdiesel.com/default.asp
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post #5 of 33 Old 01-02-2011, 02:46 PM
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Check supply voltage to FICM and see if it drops during cranking. If it's being supplied sufficient voltage and is still dropping under load then the FICM is no good. If the FICM checks out it could be injectors.
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post #6 of 33 Old 01-02-2011, 02:51 PM Thread Starter
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Ok thanks guys I'm gonna put my buddy's that I know is good in it tomorrow. The Guy I bought it from said he weould give me my money back if it doesn't work.

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post #7 of 33 Old 01-02-2011, 02:57 PM
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Sounds good
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post #8 of 33 Old 01-02-2011, 07:17 PM
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FICM BLUESSSS

I am having the same problem with the engine running like junk when cold but when it warms up all the problems go away. I was told that an easy fix is to have the computer flashed at ford and this might fix the problem. I am also having a turbo lag until about 2500 rpm and then its gone like a bullet.... HELP what do you think
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post #9 of 33 Old 01-02-2011, 07:25 PM
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Quote:
Originally Posted by police251 View Post
I am having the same problem with the engine running like junk when cold but when it warms up all the problems go away. I was told that an easy fix is to have the computer flashed at ford and this might fix the problem. I am also having a turbo lag until about 2500 rpm and then its gone like a bullet.... HELP what do you think
Check your voltage.......

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post #10 of 33 Old 01-02-2011, 08:25 PM
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The voltage is going to drop if the glow plug control module is plugged in. Unplug that and then test your voltage.
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