Switched injectors and still same code - Ford Powerstroke Diesel Forum
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Old 11-16-2012, 07:37 AM
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Switched injectors and still same code

I switched #2 and #4 yesterday and I still get a high code for injector 2. So I guess the trouble isn't in the injector. Truck isn't working quite as crappy as before but not far off, still bucks at low rpm on higher gears.

What to check next? FICM is freshly done by FICMrepair.
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Old 11-16-2012, 07:47 AM
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I'd pay for a scan at this point

or I guess I'd use My Automotive enginuity and scan it LOL
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Old 11-17-2012, 07:07 AM
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I tested the injector coils and had 0.8 and 1.0, which is okay. Then I swapped injectors 2 and 4, no change in performance and the code stayed on #2, so the injectors seem okay. This morning I pulled the FICM harness and stripped pigtail 2, all good. The entire harness looks like new, no rubs or chafes anywhere. Then I meter tested the four wires between #2 plug and the FICM connector, also all good.

What's left? Is it possible the problem with #2 originates in the FICM? The FICM was done in July by ficmrepair.com.
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Old 11-17-2012, 10:23 AM
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I had a similar problem with the #4 a year ago. Got a p0272, contribution balance code for the #4. Changed out the injector and still had the same problem. I changed out the ficm and that fixed the problem. I had also changed out the injector harness before swapping out the ficm with no result. Do you know anyone else with a ficm you can swap in just for troubleshooting?
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Old 11-17-2012, 10:30 AM
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My FICM was done in late July, so I spoke to Ed this morning about it. He says after all the troubleshooting I've done it sounds like the FICM, but the other board, he only replaced half of it.

So I'll pull the FICM tommorrow and send it back off to him.
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