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Power Strokes
6.0 Tech
Intermittent Miss/Backfire
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[QUOTE="Tweeder, post: 1547546, member: 32930"] Not to hijack this thread, but I have a very similar issue. Misfire like action while cold. Bought the truck in April, and have cleared all the codes that were present. No CEL but it had 4 dtc's which included an injector, low voltage, gpcm, and an instrument cluster issue. I have Forscan and according to it, there is nothing wrong at all. No codes, no smoke, no loss of power. Everything runs within specifications. No misfires show up in PCM, no loss of boost, no RPM change. Had FICM logic power drop to 11v-11.5v tested batteries and alternator and voltage regulator failed. Replaced alternator and FICM logic is now back to 13+v. I'm stumped as well. So I am very curious what you all come up with. On a side note Skylor622, I bought my OBDII usb reader on Amazon for like $40. They are very cheap. Its saved me a lot of diagnostic money already. [/QUOTE]
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