P0279 code, rough idle, no power.. ??? - Ford Powerstroke Diesel Forum
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Old 03-30-2013, 11:40 AM
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Exclamation P0279 code, rough idle, no power.. ???

Greetings- i am new to the site, and love all the info yall put on here. I have an 04 250. K&n intake, 4" exhaust, and hypertech max energy tuner. Today while stuck in wonderful Dallas traffic, she started idling rough. No cel, just sounded like it was "missing". I was able to limp her home, and when i scanned it, it threw a p0279 code. I reset it, put the stock tune back on, and still no luck. Disconnected the batteries and let it sit for about 5 min, still rough. No smoke, and fires right up. Could this be ficm, or maybe just #7 injector? Thanks guys
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Old 03-30-2013, 03:11 PM
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Forgot to mention, I tested the ficm voltage and its 48v key on, and drops to 46 immediatly after start, but quickly comes back to 46.5-47volts at idle.. Any help would be great, thanks!
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code, dtc, injector, p0279, rough

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