Compression Ignition Addict
Join Date: Dec 2010
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FICM voltage question
when my truck is warmed up the FICM voltage constantly change from between 39-49 volts, what would cause this? As for cold starts I'm checking this in the morning so I will have more information that. also would this cause the little big of blue smoke on cold start and if I let it set at work for say 3-4 hrs then go to run it I have to let it warm up for a few or I can't step on it with out sputtering and blue smoke?
Edit: also I notice my injectors click alot quiter than the injectors in a friends 04, could this also be connected to the ficm or is this a injector stiction issue that revx could help because my cold starts can be rough under 30*F
Edit two: I thought I should add some more information the truck is a 05, I have had the truck about 3k miles now and right after I got it I switched to Rotella T6, change the fuel filters, and put a stock intake on it.
Last edited by U235a4; 04-07-2011 at 07:13 PM.