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Old 12-23-2010, 01:01 PM
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8 Injector circuit's low, 1 High, FICM?

I went down to Marysville and home yesterday. Approximately 500 miles round trip. Throughout the trip I got all of these codes. I looked them up and apparently every injector has low voltage, and cylinder 10 has high voltage? (I realize I don't have a cylinder 10)I couldnít find the U codes in the pdf from the tech folder. Anyone know what those might be? I called my dealer and she said it was a body code, meaning a wiring harness was wearing.
The truck is 2003 F250 6.0l auto. It has about 190k miles. The batteries died while I was in Idaho on a hunting trip, jumped it to get home, and itís started fine since then. My monitor is showing my voltage at about 13.2 which I know is a little low, but thatís what itís always been since the monitor was put onÖ With all 8 injectors showing low voltage is it safe to assume itís the FICM?


Codes

PO261
PO264
PO267
PO270
PO273
PO276
PO279
PO282
PO289- Cylinder 10 injector circuit high
P1000-OBD System Readiness test not complete
U2760?
U30e0?
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Rick--1988 F-250 4x4- Big Blue ExCab LB, 460, C6, 3" Flowmaster, Hydraulic dump bed, 35" tires, 4.10 gears
1978 F-100- Old Blue. RegCab SB, 302, 4 speed
2003 F-250 4x4- Gray, ExCab LB, 6.0l, 5r110w, ARP Studs, 33"s, 3.73
1997 F-350 4x4- White, CCLB, 7.3l, ZF5 swap, 35" toyo MT's, 4.10, RiffRaff 6637, 5" Straight Pipe
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Old 12-23-2010, 01:37 PM
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The odd codes strike me as, well, odd. I may be way off but I wonder if your low battery condition didn't cause a bunch of errant codes.

This is just my opinion. If you feel capable, there is a set of instructions in the tech folder at the top of the page for checking the FICM voltage. I would do that. If it's OK. I would clear the codes and see if they return.

A bad FICM will cause all 8 injector codes. But I just wonder if the low battery voltage condition didn't throw them also and you really don't have a problem beyond that.

Also, 13.2 volts with the engine running after the glow plugs shut off is OK. The Ford recommended range is 13 to 15 volts. As long as you are maintaining a good battery charge I don't see a problem.
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Old 12-23-2010, 01:46 PM
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Clear the codes, do a system reset and see what comes back.
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Old 12-27-2010, 10:13 PM
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i have the 6.0 in a 2006 114k mile on it and was showing all 8 injector circuit's low. I tested the FICM and the volts were low at start up. so long story short I replaced the FICM via the dealer and all is well now.
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Old 12-27-2010, 10:25 PM
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13.2 isn't to low IMHO but the p1000 code is a sign of a complete reset did u clear codes before this ?
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Old 12-28-2010, 02:49 PM
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Ya. I cleared the codes after they first showed up to see if they were coming back. They came back with the P1000 code.

I still haven't gotten around to testing the FICM with Christmas being all hectic here, but after I cleared them again they came back with P0273 and P1000, then the next morning everything went away and I haven't had a code in a few days now...
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1978 F-100- Old Blue. RegCab SB, 302, 4 speed
2003 F-250 4x4- Gray, ExCab LB, 6.0l, 5r110w, ARP Studs, 33"s, 3.73
1997 F-350 4x4- White, CCLB, 7.3l, ZF5 swap, 35" toyo MT's, 4.10, RiffRaff 6637, 5" Straight Pipe
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Old 12-28-2010, 02:51 PM
gearloose1 gearloose1 is offline
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If it all went away....

Do my SOP:

LOG the conditions under which the codes appear.

But do no "fix" until you understand what is going on.

Happy new year.



Oh... also try this... do a computer reset (below) and call me in the morning.
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Old 12-28-2010, 03:01 PM
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Quote:
Originally Posted by FI460 View Post
Ya. I cleared the codes after they first showed up to see if they were coming back. They came back with the P1000 code.

I still haven't gotten around to testing the FICM with Christmas being all hectic here, but after I cleared them again they came back with P0273 and P1000, then the next morning everything went away and I haven't had a code in a few days now...
If your 8 injector codes came back after clearing them, then it's pretty important that you check your internal FICM voltage, or have it checked. Injector damage can occur and those things don't come cheap.
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Old 01-12-2011, 06:48 AM
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Check battery, alternator, voltage, output, then FICM.

Follow TSB to letter.

INCLUDING reflashing FICM before test... only way to validate.


FICM is a DC to DC converter. So low input voltage = low output voltage.
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Old 01-12-2011, 06:48 AM
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