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Power Strokes
6.0 Aftermarket
FICM Advice????
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[QUOTE="strokin6L, post: 193715, member: 842"] anyone know what the symptoms are of a bad FICM...other than low voltage readings. I have good voltage readings, but just saturday the truck got a villant shake at start up when cold. It's the first time it has done this since i installed the casserly 190's three years ago. Always had 5w-40 with rev-x since then and 5w-30 with rev-x in the winter. And always ran 2 cycle oil with additive in the fuel. Just started it again a couple hours ago with outside temp 35*. I never had an issue....with any bad idle or shakes at start up with temps as low as the single digits. I really don't think it's the injectors cause the sound that the spool valves make when i key on are nice. When the truck is warm there is no bad idle or shake. It's just wierd how all of a sudden i aquired a bad idle over night. I have a spare stock FICM that came off of my buddy's '05 that was warrentied two years ago that has less than 3K miles on it and am gonna swap it out tomorrow. Just wondering if a bad FICM will give the truck a bad/rough idle when cold. [/QUOTE]
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