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Power Strokes
6.0 Tech
Unsure about a glowplug issue
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[QUOTE="robrike1, post: 1550201, member: 33184"] Well, GPCM came in yesterday while I was at work. I got home this morning and installed it and cleared all codes with Forscan lite on my phone and it started fine although it was plugged in and coolant temp was about 93 degrees. No white smoke after starting and no codes. I stopped and started it a few times because I read it takes 3 failures of plugs to throw a code??????? Dunno. So far so good. Going to be 37 tonight and I'll try a cold start with no plugging in tonight. Seems to be solid though. I do have one more thing though. I still get a little surge or hunting at idle but my steep drop and rise of voltage on Edge CTS monitor are gone with new GPCM. No tunes on this truck. I'm wondering if I have a FICM issue. Voltage at KOEOFF stays at 48 volts and during cranking stays there. Running I rarely see it drop below 47.5 min and most times it holds steady at 48 to 48.5 running. The 12 volts in to FICM bounces from 12 to 13 but never below 12. But each idle rise and fall shows a rise and fall of the 12 volts coming in to FICM. Once everything warms up I don't see this issue at all that I recall. If anyone knows if that is normal during warm up I'd love to hear. I'll post my final results tomorrow when I get to work and get settled in. Thanks for the replies and comments before. All greatly appreciated. Robert Sent from my SM-G955U using Tapatalk [/QUOTE]
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