Check Engine Light

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Aug 21, 2011 | 04:58 PM

Johnny_Blaze

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Check Engine Light

I was driving my 05 Excursion up from Myrtle Beach (hauling a TT) and my check engine light came on. I took it over to AutoZone to get the code read and it came out with "Injector Circuit Low" on all 8 cylinders. Is this a case of me need to put some injector cleaner in, or is this much worse? I would prefer to hear from the FTE Experts before taking it into the dealership.

Thanks so much!

Aug 21, 2011 | 05:01 PM

npccpartsman

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Joined: Dec 2003

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From: Stuttgart, Ar

It means your FICM has basically failed. Check out FICM Repair.com - Your Source for FICM Repair before you take it to the dealership. Ed does good quality repairs for a VERY reasonable price.

Aug 21, 2011 | 05:04 PM

Johnny_Blaze

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After doing a search, I found that I didn't really give a lot of information.

There are no modifications to the truck.
Engine SOUNDS fine and runs fine. Starts up fine and no white/black smoke.
I did stop a a travel plaza and filled up on the "tractor" diesel from one of the semi-truck pumps. My personal belief is that this may have been a factor since the issue is affecting all 8 cylinders.
The truck ran strong all the way down (10hr haul) and all the way up until I filled up with that diesel, which is shortly displayed the light.
All temps recorded normally and fluid levels were all fine.

Aug 21, 2011 | 05:07 PM

npccpartsman

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From: Stuttgart, Ar

Sorry, but it's not indicitave of poor fuel quality, it's electrical codes and when you get all 8 with a good running truck it USUALLY means your FICM is bad. There is a procedure in the tech folder at the beginning of this forum that gives the test procedure.

Aug 21, 2011 | 05:07 PM

Johnny_Blaze

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In addition, the truck continues to start and run fine.

Aug 21, 2011 | 05:08 PM

Rusty Axlerod

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Joined: Feb 2011

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From: L.A. (Lower Alabama)

Quote:

Originally Posted by npccpartsman

It means your FICM has basically failed. Check out FICM Repair.com - Your Source for FICM Repair before you take it to the dealership. Ed does good quality repairs for a VERY reasonable price.

^^^^^_____+1

Aug 21, 2011 | 05:41 PM

dchamberlain

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Joined: Sep 2007

Posts: 8,180

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From: Scio, OR

Check your FICM like these fine folks have suggested. Or prepare to replace it AND all 8 injectors. A failing FICM will take the injectors with it.

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Aug 21, 2011 | 05:49 PM

BLADE35

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Joined: Apr 2010

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From: Saratoga Springs,UT

Quote:

Originally Posted by npccpartsman

It means your FICM has basically failed. Check out FICM Repair.com - Your Source for FICM Repair before you take it to the dealership. Ed does good quality repairs for a VERY reasonable price.

^^^^^^^X2 been a few on here in the same boat those codes are a positive ID on a bad FICM

also check your batts and alternator make shure they are good they can be a contributing factor in FICM failure

I wouldnt put it off to long you dont want to damage injectors

at least now you have options

test it if you want
https://www.ford-trucks.com/forums/8...procedure.html

heres one to fix it
https://www.ford-trucks.com/ford-manuals/FICM.pdf

and another to fix it
https://www.ford-trucks.com/forums/9...procedure.html