Compression Ignition Addict
Join Date: Aug 2011
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Well they say your ficm voltage should never drop below 45v and 48 is where a healthy ficm should be at, 43 is pretty close, but may not be enough, blue smoke isn't good, i would send the ficm in and have it rebuilt, because in my little mind, it would bother me too much that it is going south, if you can solder or have a buddy that can, do a search on here, there is a good instructional thread on fixing your own ficm,i would also check fuel pressure, as that will f@$k with injectors too. I wouldnt drive it til i figured it out, you dont want to do an injector if you can help it, been there-done that.
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2004.5 F-550,4x4,6.0,auto,CTS monitored,
Performance Machine egr delete,caterpillar elc,blue spring, CTS Monitor,flat plate agm batteries,K8 code, super tow pkg. (4.88),twin line recovery wrecker.