p0405 is an egr recirculation code, did you recently do an egr delete? that would make it throw that code.
p0264 and p0266 are cylinder # 2 codes it could be a bad injector ( which could be your white smoke) or it could be the FICM. have you checked your FICMs voltage? if it is good, I would clear the codes and see if it comes back. if it does I would suspect #2 injector needs replacing.
thanks for the reply. After going over my work looks like I unpluged the #2 injector when putting the air filter piping ot turbo. I lost one the clips that hold the plug in place. I will have to find a new one.
The only code I have now is the EGR which was removed so that makes sense.
All is good in my 6.0 world.........Hope it stays that way
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