Checked my ficm with SG2... - Ford Powerstroke Diesel Forum
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post #1 of 28 Old 12-30-2011, 01:21 PM Thread Starter
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Checked my ficm with SG2...

So my truck has been running like *** when cold so I bought the sc2. Voltage was 48-50 on the ficm main. This was semi warm though? Battery's were 11.7 off. Advice ? Can I check all the injectors with this thing?

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post #2 of 28 Old 12-30-2011, 01:39 PM
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I think the more info you can give the better the advice you'll get.

What does running like *** mean exactly? What's different from when its warm? Do you have any codes? What temperature is "cold"? Does it get better as the truck warms up?

You'll need to check your FICM and battery voltage on a cold start. Watch to see how much they drop starting and just, starting. How low do they get and how fast do they come back up. Have the batteries load tested and make sure they are disconnected when they are tested.

That should get you started in the right direction...

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post #3 of 28 Old 12-30-2011, 01:49 PM Thread Starter
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Thanks, it's just the usual ficm/sticky injector issues. The colder it is the more white smoke and the worse it runs until it warms up. I dd notice though sometimes it will start the. Die when cold but it's not really hard starting.

2008 F250 King Ranch 4x4
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Sold: 2005 F250 King Ranch 4x4
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post #4 of 28 Old 12-30-2011, 04:58 PM
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REV-X can fix most stiction issues, it did mine.

D
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post #5 of 28 Old 12-31-2011, 04:55 AM
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Quote:
Originally Posted by colonel angus View Post
REV-X can fix most stiction issues, it did mine.

D
Same here. Within 25 miles of adding Rev-X stiction was gone....

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post #6 of 28 Old 01-01-2012, 01:52 PM Thread Starter
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Well, I rechecked my ficm after it sat for 2 days. At one point it dropped to 33.5 but just for a split second. Most of the time it was in the high Forties. While idleing it was running rough but still registering like 47+? Not sure how that is possible. Battery's were 11+ the whole time.

2008 F250 King Ranch 4x4
5' Flo-Pro, GearHeads Tune, Coolant Filter

Sold: 2005 F250 King Ranch 4x4
Toyo's, SCT, Blue Spring, EGR Delete ect
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post #7 of 28 Old 01-01-2012, 01:55 PM
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Quote:
Originally Posted by skanj0 View Post
Same here. Within 25 miles of adding Rev-X stiction was gone....
What is stiction?
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post #8 of 28 Old 01-01-2012, 03:08 PM
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Quote:
Originally Posted by justinp95 View Post
Well, I rechecked my ficm after it sat for 2 days. At one point it dropped to 33.5
Battery's were 11+ the whole time.
Truck runs like crap when cold + voltage drops below 46 volts = Dead FICM
Your battery voltage is also low (which may have taken out or contributed to the FICM issue). You should remove the batteries and run them down to an autoparts store. Have them load test them for you (free test).
Should either fail or test marginal, replace the batteries as a set.
When you return home, place the batteries on a charger and get them up to a 100% charge (even if you bought new). Check/clean the connectors and reinstall the batteries.
Do your FICM check again.
My guess is that the FICM will fail the test again, but since you have verified the health of your batteries, they will not eat your recently repaired (or new) FICM. Weak batteries/low voltage will eat a FICM.

Quote:
Originally Posted by pwrstrokinit View Post
What is stiction?
Stiction is when the actuator on top of the injector sticks slightly. This causes ineffective fuel injection and rough running. The cause of stiction is the presence of varnishes/additives in dino oil. Take a peek inside an old engine, and the brown film you see is what causes the condition. That film is tacky when the oil is cold, and once the oil is warmed up the film basically melts.
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post #9 of 28 Old 01-01-2012, 04:41 PM
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First priority - Get the FICM repaired.

Mark
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post #10 of 28 Old 01-01-2012, 05:19 PM
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There are several folks on eBay that perform this service for ~75.00and turn it around in 1 day.

If you're adventurous there is a thread showing step by step soldering procedures.

D
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