Batteries? FICM? Alternator? - Ford Powerstroke Diesel Forum
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post #1 of 20 Old 06-15-2011, 09:16 PM Thread Starter
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Batteries? FICM? Alternator?

OK....Just got my truck back after getting studs, EGR delete, and a new oil cooler. The shop took three weeks to get it done, because the machine shop that they used to check/machine the heads took FOREVER.

Right off the bat I noticed that my truck was taking 1-2 seconds longer to start than normal, so I checked each battery.....12.66V on each.

I conclude that this somewhat low voltage is due to the fact that the batteries sat so long. I decide to give it a few days to recharge, and re-check.

Well......today on the way home from work, the CEL comes on.

I pull into an O'reilly's auto parts, and check the codes with my SCT. There was an injector circuit low for each cylinder, and a FICM performance code. The batteries were still at 12.6ish. (tested unhooked)

While I was at O'reilly's I had both batteries checked and charged, and the alternator checked. Everything checked out good.

When I got home I decided to check the alternator output myself. I checked the output from the back of the alternator....13.8V. While the truck is running, at the batteries....13.7V Truck shut down......12.6V

Are the batteries starting to go? Is it really the FICM? What should the batteries test at when it's not running?

I didn't have time to check FICM voltage, but I will do it tomorrow. What I really need to know is if my battery voltage is normal or not.

2005 F-350 4x4 SRW CC LB
ARP Head Studs, EGR Delete, Insight CTS, 03' Turbo
4" MBRP Turbo back, SCT SF3, 6.4l banjo bolts
Leveled, 36" SS Irok's, 20" Moto Metal MO950
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post #2 of 20 Old 06-15-2011, 10:02 PM
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That's normal voltage, sorry to say but your Ficm
Might be taking a dump.

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post #3 of 20 Old 06-16-2011, 04:17 AM Thread Starter
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Thanks for the reply. Now i have to determine what to do...swamps....oem....solder mine?

2005 F-350 4x4 SRW CC LB
ARP Head Studs, EGR Delete, Insight CTS, 03' Turbo
4" MBRP Turbo back, SCT SF3, 6.4l banjo bolts
Leveled, 36" SS Irok's, 20" Moto Metal MO950
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post #4 of 20 Old 06-16-2011, 04:59 AM
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When you had the work done the shop allowed the batteries to get very low from sitting and then from cranking on the new repair. That took out the FICM.
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post #5 of 20 Old 06-16-2011, 05:36 AM
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Quote:
Originally Posted by Enterko View Post
Thanks for the reply. Now i have to determine what to do...swamps....oem....solder mine?
I picked up a Swamps 58v with the PHP tuning, but you may want to check out this link too.

Spy pics of BulletProof Diesel FICM

It's Bulletproof diesel's new FICM.

SOLD-2006 F-350 CrewCab, short bed dually, 4.10's, FX4/Lariat, PHP tunes & 58v FICM, 5" Diamond Eye exhaust, & much more....
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post #6 of 20 Old 06-16-2011, 06:18 AM Thread Starter
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Originally Posted by Aussiekeeper View Post
When you had the work done the shop allowed the batteries to get very low from sitting and then from cranking on the new repair. That took out the FICM.
You could be right.

But....before I got studs, I was running Extreme Street. When I got my truck back from getting studs I loaded Looney Wild for the first time.

The only reason that I make this distinction, is because I was told that extreme street will not ever cause a CEL. Is this true??? If so, then it could have been throwing a code the entire time, without me knowing.

2005 F-350 4x4 SRW CC LB
ARP Head Studs, EGR Delete, Insight CTS, 03' Turbo
4" MBRP Turbo back, SCT SF3, 6.4l banjo bolts
Leveled, 36" SS Irok's, 20" Moto Metal MO950
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post #7 of 20 Old 06-16-2011, 06:30 AM Thread Starter
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Quote:
Originally Posted by Quickerthanu View Post
I picked up a Swamps 58v with the PHP tuning, but you may want to check out this link too.

Spy pics of BulletProof Diesel FICM

It's Bulletproof diesel's new FICM.
Thanks. I wonder when they will be available.

2005 F-350 4x4 SRW CC LB
ARP Head Studs, EGR Delete, Insight CTS, 03' Turbo
4" MBRP Turbo back, SCT SF3, 6.4l banjo bolts
Leveled, 36" SS Irok's, 20" Moto Metal MO950
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post #8 of 20 Old 06-16-2011, 07:39 AM
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Probably won't be out soon enough for you. I'd get a FICM to you soon, as a bad one can ruin your injectors.

SOLD-2006 F-350 CrewCab, short bed dually, 4.10's, FX4/Lariat, PHP tunes & 58v FICM, 5" Diamond Eye exhaust, & much more....
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post #9 of 20 Old 06-16-2011, 07:44 AM
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Yep, your FICM is on its way out. The power supply is unable to maintain 48v to the injectors. Get it fixed before it leaves you stranded. Swamps, Quick Tricks and BulletProof all offer a service to fix your FICM. If you do decide to try the solder technique yourself, I don't believe that any of them will accept your FICM as a core. Just something to consider.

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Proud Navy Vet
2005 F250, CCSB, 6.0 PSD, FX4 (The Sweet Unit is white)
2008 F350, CCLB, 6.4 PSD (Brad-the wife's truck is black)




Engine Mods:
Fluidampr
CCV Reroute (Reinstated)
4" MBRP Exhaust
MTW Stage 1 Turbo
Bulletproof 53V FICM
BulletProof EGR Cooler
BulletProof Water Pump
Riff Raff Intercooler Boots
Gogo Diesel Direct Drive Solenoid
BulletProof All-Aluminum Radiator
BulletProof All-Aluminum Intercooler
BulletProof Oil Cooler System w/ Bypass Filter
SCT w/ Custom Tunes (TSD, DJ's, Innovative, Gearhead, QuickTricks)

Exterior Mods:
Bilstein 5100 Shocks
Icon Adjustable Trac Bar
Firestone RideRite Air Bags
BDS Dual Steering Stabilizer
Aluminum Finned Differential Cover
Reese 16k Manual Slider 5th Wheel Hitch
Icon 2.5" Leveling Kit w/ F-350 rear blocks
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post #10 of 20 Old 06-16-2011, 08:13 AM Thread Starter
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Quote:
Originally Posted by Evil Eye View Post
Yep, your FICM is on its way out. The power supply is unable to maintain 48v to the injectors. Get it fixed before it leaves you stranded. Swamps, Quick Tricks and BulletProof all offer a service to fix your FICM. If you do decide to try the solder technique yourself, I don't believe that any of them will accept your FICM as a core. Just something to consider.
Thanks.

Should I avoid a new Ford unit? I can get one for $530.

2005 F-350 4x4 SRW CC LB
ARP Head Studs, EGR Delete, Insight CTS, 03' Turbo
4" MBRP Turbo back, SCT SF3, 6.4l banjo bolts
Leveled, 36" SS Irok's, 20" Moto Metal MO950
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