The continuing saga - Ford Powerstroke Diesel Forum
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Old 01-21-2013, 04:58 PM
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The continuing saga

Breifly,

The truck quit running and had a P0265 high injector circuit cyl 2 and P0268 number 3 and a U0155. Apparently under the circumstances the U0155 is probably nothing to worry about. The 265 and 268 turned out to be the FICM. I sent it to FICM repair and it had barbequed the logic board. He fixed it and returned it with a caution to replace the alternator. I installed the repaired FICM and replaced the alternator with new not rebuilt.

The truck did start but still does not run properly. I plugged in the scan tool and now am getting a P0274 high inj circuit #5. I have done the cursory check of the wire loom and see no chafing. Tomorrow it comes out completely and I plan to check it inch by inch, and if necessary check the individual wires with an ohm meter.

My question is will it throw the P0274 if the injector is bad or does it need to be an electrical issue. My presumption is that there is an electrical problem somewhere because the truck was running fine and just quit. Seems like it would be quite a coincidence to have a mechaincal and electrical failure at the same instant.

This might help, 2004 F350 6.0
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Old 01-22-2013, 05:37 AM
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I have heard of some chafing under the air filter not sure if that's your problem but worth taking a look at. Pull out air filter and make sure there's no problem there.

You can always meter out a few injectors to compare resistance.
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Old 01-22-2013, 09:16 AM
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As I write I have the turbo on the bench, long story. Point is that the top of the engine is pretty bare at the moment and I have checked every inch of the wire loom and find no chafing anywhere. As you stated there is a spot under the air filter duct where the loom has been squashed pretty flat but no damage to the cover and no exposed wires. I will relocate it into the space it belongs in on the way back together. I never thought about comparing injector resistance, thanks for the suggestion.

I am begining to wonder about the FICM repair. It did not have a code for #5 when the original FICM came out, it had codes for #'s 2 and 3. When I put in the new parts and started it, it ran rough and after about 2 to 3 minutes of operation the ck eng light came on and it threw the code for #5. If I find nothing else I will contact FICM repair and see what they think. He had to replace the logic board, I presume with a new one and if anyone is going to get a bad one it will be me.
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Old 01-22-2013, 09:22 AM
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Old 01-22-2013, 03:02 PM
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OK. Spent yesterday afternoon and all day today under the hood. Checked every inch of the wire loom and found nothing. I have been communicating with ed at FICM repair and he said that he plugged it into their 6.0 test engine and it worked fine before sending it. He says that this code is almost always loom related.

It never did run right from the first start up so I am leaning away from a FICM problem. I am considering replacing the loom anyone know where to get one for a decent price? There are a couple on e bay for $200 new is that a good price or? I really hate to burn another 2C on this thing I just want it to run for the next 50 or so miles so I can trade it in, unfortunately I can't trade it in the way it is running.

Does anyone know if a stuck injector can set the P0274 high injector circuit code, I asked Ed and he did not know.
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