I apologize to everybody, yell at Ellis for this.
I'm sure some of you are familiar with the FICM (fuel injection control module) on the 6.0's and that they fail on a somewhat common basis. This module is mounted on top of the drivers side valve cover, and essentially takes 12V from your battery and bumps it to 48V to fire your injectors. It is programmed by Ford and you can even get them individually tuned (this is aside from your regular PCM/ECM/TCM tuning from a handheld device like an SCT). The issue is the low amount of solder used during assembly. The FICM see's constant heat cycles and vibration due to being mounted where it is. This coupled with the low amount of solder leads to faulty connections on the circuit boards. When they get weak and start dying, you may or may not get a check engine light with a code (more often, not). They are VERY simple to test.
The first sign of a failing FICM is an odd injector "buzz" noise when you first turn the key (provided you have the newer flashes from Ford, I'd be surprised if someone didn't have the newer flashes). The old flashes the injectors buzzed when you shut the truck off, newer they buzz when you first turn the key to start it. If the buzzing sounds inconsistent or weak, you probably have a failing FICM. Other codes you may get are numerous injector codes at once, especially on one bank. So if you get injector codes for 1,3,5,7, there is probably an issue with the FICM, not the injectors.
Testing procedure copied from PSN:
How to check your FICM for proper voltage output.
(Perform this check when the engine is completely cold.)
1. Remove the two bolts that hold the coolant reservoir to the cowl and push the reservoir out of the way forward and to your right. You do not need to disconnect any of the hoses.
2. On top of the FICM is a small cover held on by two #20 Torx screws; remove these two screws and pry the cover off.
3. On 2003 and early 2004 trucks, you will see 7 screw heads under the cover. On 2004 and later trucks you will see 4 screws.
4 screw FICM
4. Take a multi-meter set on DC volts and connect the ground lead to battery negative, and with the key ON measure the voltage at the screw on your right—closest to the driver’s side fender. Do not let the probe short against the case! The voltage should be right at 48 volts. Anything between 47 and 49 is good.
5. Have an assistant cycle the key and measure the voltage during the initial key-on buzz test. Voltage should not drop below 46 volts.
6. Next measure the voltage while cranking the engine. If voltage stays at or above 45-46 volts, the FICM is fine. Abnormally low battery voltage can give a false low FICM voltage reading, so make sure your batteries are good.
The procedure is the same for FICM’s with 7 screws, except that you will be checking voltage at a different screw, as shown in this picture.
7 screw FICM
If the voltage is above 46 volts in all the tests, your FICM is in excellent condition. If it is between 36 and 45 volts its OK, but not great. If it is between 25 and 35 volts, you have serious FICM problems.
I want to add that you should also check voltage with the truck physically running as well, I had a FICM that tested fine during key on engine off, and fine when cranking, but once the truck fired it gradually started dropping voltage.
This is literally a 10 minute process, you need a buddy, a multi-meter, and 2 beers (both for you if you're selfish, or one for you and one for your buddy).
So, where am I going with this?........
If you find your FICM is failing, your options are:
Ford, NEW FICM: ~$900-$1100
Ford, Half shell: ~$450
Swamps 48V repair: ~$750 (includes $350 core charge)
Swamps can also do 58V hot upgrades, and tuning, and you do get a good deal of "extras" with this job, they will include a data sheet of your voltages and a 1 year warranty.
A new option? SEND IT TO ME! I have messed around with some FICM's, and have tested/verified/repaired them quite successfully. I am actually driving around on a "dead" FICM I purchased and then fixed. Holding strong at 48.3V right now. I will take your bad FICM, put it on my truck, test it and verify it is indeed bad, and then will do my best to fix it. If it doesn't work, there is no charge to you and you've lost nothing but maybe a day or two. If it works, great!
$200 including return shipping (if it needs to be shipped)
Thanks,
Mike